How Do I Clean A Screen In A Webster 2-stage 2m34dl-3 Fuel Oil Pump

Guide to Oil Burner Fuel Units
Heating Oil Pump Installation, Diagnosis, Repair

• Mail a QUESTION or Annotate near diagnosing, adjusting, repairing, or replacing heating oil fuel units or oil pumps on oil-fired heating equipment: boilers, furnaces, water heaters

InspectAPedia tolerates no conflicts of interest. Nosotros have no human relationship with advertisers, products, or services discussed at this website.

Oil burner fuel unit installation & maintenance guide: this article describes the function, diagnosis, adjustment, and repair of oil burner fuel units or "oil pumps", and we provide related oil burner fuel unit safety, heating system efficiency and heating toll savings communication.

We include a discussion of the oil pressure settings, one line vs 2 line oil piping connections, the location of the air bleeder valve, and the use of an oil delay solenoid valve or quick-cease valve or oil condom valve on some fuel units.

We also depict mutual maintenance & repair topics & procedures for oil burner fuel units such as drive shaft coupling failures, drive shaft leaks, and internal check valve leaks.

We as well provide an Commodity INDEX for this topic, or yous tin can effort the page top or bottom SEARCH BOX as a quick style to find information you need.

Oil Burner Fuel Units or oil pumps: installation, inspection, diagnosis, maintenance & repair

[Click to enlarge any epitome]

Article Series Contents

• OIL BURNER FUEL Unit of measurement
• FUEL Unit of measurement BRANDS & Properties
  • Single STAGE vs 2 Stage
  • COMMERCIAL Capacity FUEL UNITS
  • OIL BURNER FUEL Unit of measurement ROTATION DIRECTION - CW vs CCW ROTATION
• FUEL UNIT INSTALLATION & Adjustment PROCEDURES
• CONNECTIONS or PORTS
• SINGLE OIL LINE HOOKUPS
• 2 FUEL LINE HOOKUP Procedure
• INTERNAL FUEL Unit of measurement Bypass CONTROL
• TYPICAL PRESSURE SETTINGS on the OIL PUMP FUEL UNIT
• OIL BURNER FUEL Unit of measurement AIR BLEED PROCEDURE
• OIL BURNER FUEL UNIT ANNUAL MAINTENANCE, SERVICE & REPAIR PROCEDURES
  • Modify INTERNAL FILTER SCREEN
  • VACUUM CHECKS at the FUEL Unit of measurement
  • INTERNAL CHECK VALVE
  • Bulldoze SHAFT CONNECTIONS
  • DRIVE SHAFT BEARING LEAKS
• BIODIESEL HEATING FUELS - separate article. Warnings almost using biodiesel in older oil burners.

The "oil pump", properly called the fuel unit in nigh oil heating texts, draws heating oil from the oil storage tank, pressurizes the oil to high pressures of 100 to 125 psi (typically on modernistic retention head oil burners), and delivers oil to the oil burner nozzle where the combination of high oil pressure, combustion air, and turbulating devices (in the nozzle and/or at the end of the oil burner) disintegrate the oil and spray it into the combustion chamber.

Danfoss / Sunstrand / Suntec & Webster Oil Burner Fuel Units

Two common brands of widely used fuel units for oil burners are Danfoss Sunstrand or Suntec (photo at page top) and Webster (images at left and above-left). At left is a Webster single-phase 3450-rpm fuel unit.

Both companies make a range of fantabulous products that in our feel have proven durable and simple to install and maintain.

[Click to enlarge whatever epitome]

The single-stage Sunstrand J-pump and the 2-phase Sunstrand H-pump were among the almost widely used fuel units nosotros encountered when servicing heating equipment in the Northeastern U.S. Webster'south M-series fuel units are too widely used as OEM equipment on a variety of oil burners plant on residential heating boilers, furnaces, and water heaters.

Manuals for oil burner fuel units are institute

at OIL BURNER MANUALS

Single stage & ii phase fuel unit operating capabilities

Quoting from Webster'due south clarification of their current product line we can read the typical capabilities of mod heating oil fuel pumping units:

Single and ii stage models with 1725 and 3450 rpm operation characteristic compact pattern and field-proven reliability.

These units, rated @ 3 to 25 gph (11 to 57 1/hr.) @ 100 psi (6.9 bar), tin can be used on one or two pipe installations. ... Operating pressure level [on heating oil fuel units] is factory [typically] fix at 100 psi.

Commercial capacity oil burner fuel pumps

Larger, commercial-application fuel pumps are of course also available, such equally Webster's R-series fuel pumps that tin evangelize up to 75 gph and even V-pumps capable of firing equipment at upward to 260 gph (gallons per hour) - far larger than any home awarding.

Oil Burner Fuel Unit Rotation Direction - CW vs CCW or left manus vs right hand

Fuel units for oil burners are sold in "left-hand" and "right-hand" rotation to meet different electrical motor and oil burner configurations.

The management of rotation of a fuel unit is marked on the fuel unit label (shows equally our red arrow on this Beckett Make clean cutting oil burner fuel unit) or possibly on some older Sunstrand pumps every bit a casting into the fuel unit body.

The direction of rotation is interpreted past viewing the fuel unit from the shaft end.

Thus the fuel unit shown above is actually rotating in a clockwise direction (as it would be viewed from the other side, from the shaft end).

Installation & Adjustment Procedures for an Oil Burner Fuel Unit of measurement

What are the Connections or Ports on a Heating Oil Fuel Unit?

Equally we describe and illustrate (Suntec ports and components are illustrated at left, courtesy Suntec - click to enlarge whatever image) in this commodity a typical fuel unit of measurement or "heating oil pump" will take these connections and controls:

1. An inlet port - feeds oil from the oil tank into the pump or fuel unit
2. Oil delivery force per unit area to the burner (adjustment spiral)
3. Oil return or outlet port or external bypass port - tin can be used in a ii-pipe hookup to render oil to the oil tank
4. Pressure gauge port
5. Nozzle line port - high force per unit area oil delivered to the oil burner nozzle
6. Heating oil inlet port
7. An internal featherbed port or encompass - perchance accessed through the bypass port, an internal plug can exist installed or removed
8. Air bleeder valve

These features volition be reversed if the fuel unit rotation direction is reversed, and they may be in unlike positions on different models and brands of oil burner fuel units. Not direct accessible from outside the fuel unit are additional important parts plant on almost heating oil pumps (or if you want to sound like a pro, call it a "fuel unit").

• An internal check valve (discussed below)
• An internal filter screen (maintenance or service item on most units, discussed beneath)

Single-line Heating Oil Arrangement Fuel Unit Oil Piping Connections, Hookups

Where an indoor oil storage tank is installed on or close to the same level as the oil burner, it is common for a unmarried heating oil line to bring oil from the oil storage tank to the fuel unit. In a single-line installation, an internal check valve plant in the fuel unit prevents oil backflow into the oil lines when the fuel unit of measurement stops spinning.

In our fuel unit photo (left) the green pointer marks the incoming oil from the oil tank and filter (under vacuum when the pump is running).

The ruby pointer indicates the high pressure oil beingness delivered from the fuel unit into the oil burner nozzle line.

This oil burner pump unit of measurement includes an oil delay valve , an electrical solenoid switch connected through the burner tube over to the oil burner motor run excursion by an electric wire. (xanthous arrow).

The typical fuel unit of measurement used on modern oil burners does non have a high elevator chapters - perchance vi feet would be a safe elevator level for a one-line oil pipe installation.

Watch out: we accept found single-line fuel unit hookups where a low or even a buried oil tank was installed. Such systems may "work" successfully for many years fifty-fifty though they violate good practice. Or the single-line hookup may work only if the oil level in the oil storage tank is kept pretty loftier (reducing the full lift required).

Just on occasion we visited a property where there was recurrent loss of heat - a trouble that was traced to the oil burner losing prime in the oil line.

The "fix" was to convert the system to a two-line oil pipe hookup described below.

Oil Burner Fuel Pump Lift Capacities, Menstruum & Oil Line Diameters

While private manufacturer's oil burner pump (fuel unit) lift capacities vary by brand and model, in general the following tabular array will utilise to typical residential oil burners.

Oil Burner Fuel Unit Elevator Capacities
Pump Type	Inches of Vacuum	Feet of Lift
Single-Stage Pump	5-10"	5-ten ft.
Two-Stage Pump	10-fifteen"	10-fifteen ft.
Oil Line Piping Effects on Suction Line Lift
One Foot of Elevator	1"	-1 ft.
Each ninety° Elbow	1"	-i ft.
Each foot of three/viii" ID Oil Line	1"	-1 ft.

Notes to the table higher up

Effects of oil line length on lift capacity and too on fuel flow capacity (table below) are in essence friction losses in the oil piping.

The Beckett CleanCut fuel unit may exist installed with gravity feed or lift. The maximum allowable lift for a single pipe installation is viii ft.

Sources:

• Beckett, INTRODUCTION to the BECKETT CLEANCUT FUEL UNIT PART I [PDF] retrieved 2019/12/three original source: https://www.beckettcorp.com/support/tech-bulletins/an-introduction-to-the-beckett-cleancut-fuel-unit-part-i/
• NORA, FUEL UNITS & OIL VALVES [PDF] NORA, National Oil Heat Research Alliance, 600 Cameron Street Alexandria, VA 22314 U.s. Tel: 703.340.1660 retrieved 2019/12/iii original source: https://noraweb.org/wp-content/uploads/2016/10/NORA-Silverish-Chapter-4.pdf

  Website Excerpt:

  NORA stands for The National Oilheat Research Alliance, it was authorized by Congress in 2000 to provide funding that would allow the oilheating industry to provide more than efficient and more than reliable heat and hot water to the American Consumers. As a government sanctioned "check-off" program, $0.002 is collected at the wholesale level on every gallon of heating oil sold. While it is mandatory, the benefits profoundly outweigh the minimal cost.

  The four central artillery of NORA are Consumer Instruction, Professional person Pedagogy, improving free energy efficiency and safety, and Research Consumer Education allows NORA to accomplish out to the consumer and bear witness that oilheat is a make clean, safe, efficient and modernistic grade of heating. This communication is essential to the manufacture's survival.

  Professional education, through the Technician Certification Program, provides continuing education, training and certification for oilheat service technicians. Lastly, NORA funding has helped a number of manufacturers to develop highly efficient heating equipment, such as condensing boilers and furnaces, variable speed furnaces, variable burners and number of other technologically advanced, highly efficient products.

• OIL LINE Pipe - dwelling house
• OIL LINE VACUUM & Pressure TESTS

Oil Burner Fuel Line Diameters & Elevator or GPH Capacity Losses
GPH Capacity	Oil Line O.D.
Up to xxx GPH	1/two" OD
Over 10" vacuum w/ Single Phase Pump 2-Line Organization	Increment to next OD Size
Over xv" vacuum due west/ Two-StagePump 2 Pipe System	Increment to next OD Size

Notes to the table above

Additional pipe bore or pump capacity may be needed to overcome the resistance (or vacuum) created by the fuel unit of measurement'southward external oil filter, past additional elbows, abrupt bends, and bank check valves.

Source: Webster FUEL PUMP Force per unit area Information [PDF] retrieved 2019/12/xxx original source: http://www.websterfuelpumps.com/pdffiles/tubeloss.pdf

Two Line Fuel Unit "Heating Oil Pump" Unit Piping Hookups

A two-line fuel unit hookup simply ways that there are two oil pipes betwixt the fuel unit and the oil tank. A two-line oil pipage system is by and large required when oil is beingness pulled from the pinnacle of an to a higher place ground oil storage tank and it's always required when oil is being pulled from a buried or surreptitious oil storage tank.

Ane line is the delivery line - from oil tank into the fuel unit of measurement, and the second line is the "return line" through which excess oil pumped by the unit of measurement flows back to the oil tank.

A two line oil piping arrangement, required for cached oil tanks or oil tanks located beneath the oil burner, increases the "elevator" capacity of the fuel unit and also near eliminates oil piping priming problems.

Our photo (left) shows a two-line oil piping hookup on a Suntec fuel unit - it'south pretty piece of cake to see since both the supply oil piping and the return oil pipage connections are visible at the bottom of the fuel unit.

My pen is pointing to the air bleeder fitting on this fuel unit.

The oil inlet hookup is on the left and the oil "bypass" or "return" hookup is on the right. The characterization on the heating oil fuel unit face also will identify the various ports on the device.

A third oil piping, the loftier pressure line from the pump outlet to the oil burner nozzle assembly is not clear in this photo, though you lot can brand out a small brass tubing loop at the upper left in our photo - a part of the high pressure oil line.

Where a buried oil storage tank is installed or where the oil storage is significantly lower than the oil burner a two-line oil piping hookup is used to requite added lift capacity to the fuel unit of measurement.

Watch out: check the fuel unit installation instructions and be sure that the internal check valve is set to the proper condition on the fuel unit when changing from a ane-line to a two-line oil piping hookup, or vice versa.

Watch out: about installing a fusible link in the wrong identify, causing an oil line blowout and fire correspondent - as nosotros talk over

at FIRE Prophylactic CONTROLS
and

at OIL LINE SAFETY VALVES, OSVs, when a two-line oil piping arrangement is in utilize, the fusible link oil safety valve should be installed merely on the oil supply line. A bank check valve without a fusible link is typically installed on the oil render line.

Above: preparing a two-line oil piping connectedness to be inserted into the oil tank.

On a typical 275 gallon 44-inch alpine oil storage tank, the longer vertical pipe in our photograph is a 42-inch long oil pick-up line that will evangelize oil to the fuel unit of measurement at the oil burner, and a 6-inch long return line that delivers returning oil to the storage tank from the fuel unit of measurement.

The 42-inch long oil selection-up pipe thus stops about 2-inches from the bottom of the oil tank in order to avert picking up water or sludge that may be nowadays in the oil tank bottom.

Below: once the oil pick-upward and render assembly has been installed in the oil tank top tapping the oil line supply and return lines are attached, as shown below. Here we are using 3/8" ID flexible L-copper oil piping encased in a polyethytlene protective sheath.

Past attaching the oil supply line (to the burner) to the lower tank top connection the installer slightly-reduces the oil pump or fuel unit lift-height required, making life easier for the oil pump.

The oil render on the two line oil piping organization is fed to the taller of the two attachments shown in our photo in a higher place, simply to give working space to brand the necessary oil line connections.

Above we prove the two oil lines at the oil burner; the upper line supplies oil to the oil burner fuel unit, passing get-go through an oil safety valve or OSV, then through the oil filter, and so through a check valve and into the oil burner'due south fuel unit of measurement or oil pump.

The lower oil line is the 2-line oil pipe organisation return line from the fuel unit to the oil storage tank.

See details at OIL LINE Safety VALVES, OSVs

Internal Fuel Unit Bypass Control - does the bypass plug go "in" or should it exist "removed" ?

Watch out: standard factory-fix-upwardly usually delivers a fuel unit with an "internal featherbed" in the fuel unit "open". That's the set-up for a one-pipe oil piping hook-up.

When installing a two-piping oil pipage hookup to a fuel unit, an allen screw or plug is inserted into the fuel unit of measurement to close the internal bypass. The access to the internal bypass will be found below a service plug and will commonly as well be marked on a characterization on the fuel unit trunk.

A single-pipe heating oil system requires that the featherbed plug is removed. Leaving the plug in the fuel unit will effect in a diddled seal, and oil leak, and loss of rut.

A two-pipe heating oil system requires that the internal bypass plug is inserted - in place. But kinked oil piping or piping blocked by sludge in the return line can still upshot in a blown seal in the fuel unit, an oil leak, and loss of heat. [8]

If a novice heating tech is having trouble remembering what to exercise with a bypass plug or port, just call back that we want just one excess pumped-oil return path - it'south either inside the pump itself (an internal bypass is open on a one pipe oil pipe system) or it's outside the pump and sends excess oil back to the oil tank (the internal bypass is and so close).

Our photo (above left) shows a mod single-stage 3450 rpm Webster fuel unit. If you are replacing the fuel unit on an oil burner you will need to annotation and match the following specifications:

• The rotation speed of the unit of measurement (1725 or 3450 "loftier speed")
• The direction of rotation (some pumps may be convertible) equally "left hand" or "right hand" rotation direction.

At the bottom of the characterization in our photograph above you lot can see a reference to the internal featherbed plug along with a warning note and an arrow pointing to the threaded "plug" that is either installed (internal bypass airtight, two pipe installation) or removed (internal bypass open up, 1 pipage installation).

Our fuel unit shown above, also a Webster unit, tells a story without having performed whatsoever tests.

Information technology appears from the dirt and cobwebs that no one has touched this device - a inkling well-nigh its service history.

Typical Force per unit area Settings on Heating Oil Fuel Units

When Ballad Schnierer and I (DF) serviced heating equipment back in the dark ages, typical fuel unit pressure level factory setting was to 100 psi.

The pump output tin can exist adjusted on almost fuel units, typically inside a range of almost 100 psi up to 150 psi.

At oil burner school we learned to ready the fuel unit pressure up to 110 or even 120, adjusting the nozzle size down to a smaller gph nozzle to keep the overall fuel delivery rate at the intended design point for the oil burner. That higher pressure gave better, finer oil spray delivery and more efficient oil burner operation.

Currently we come across new oil fired heating equipment using 125 psi as a "standard" pressure setting.

Modern fuel units such as the Webster M34DK fuel unit is able to maintain its 3 gallon fire size throughout the 100 to 150 psi pressure range.

Our heating service tech Bob, from Bottini Oil, recently installed a replacement fuel unit on our lab's oil burner assembly.

In setting up the arrangement, a fifteen twelvemonth old bandage atomic number 26 Peerless boiler with a Beckett oil burner, Bob gear up the oil pressure up to 140 psi, and the fume was gear up commencement to "trace" and so (with a slight combustion air heave) down to "zero" - what he regards as current optimum settings for contemporary loftier speed oil burner units on newer heating equipment.

Watch out: check the labels or tags on your oil burner: the manufacturer will often specify the oil force per unit area at which the burner is designed to operate, as nosotros illustrate simply below.

Do not gauge at the oil pressure setting. Unless yous install an oil pressure gauge on the nozzle line side of the oil burner you will take no thought what the fuel unit's outlet pressure actually is.

This oil burner fuel unit pressure data tag was fixed to the oil burner assembly just above the high pressure nozzle line inlet connector on a Beckett oil burner.

Likewise meet OIL LINE VACUUM & PRESSURE TESTS

Bleed air out of oil pipage and oil burner fuel units

Details are now found at OIL BURNER FUEL UNIT AIR Drain PROCEDURE

Annual Fuel Unit Service & Repair Guide

Change-out of the Internal Filter Screen on Heating Oil Fuel Units

Oil burner fuel units typically employ an internal filter/screen to help protect the pump internal parts and the oil burner nozzle.

While a proper heating system installation will include a canister-type oil filter on the oil piping ahead of the oil burner, for several reasons debris tin escape the filter and enter the oil pump torso.

This screen should be replaced as part of almanac oil burner service. The screen comes with a new gasket that should too be used.

Sentinel out: if you fail to properly torque the four bolts holding the fuel unit of measurement cover over this screen assembly, air leaks in and oil leaks out at that location will forestall proper fuel unit performance.

Debris-clogging at the oil burner check valve

Watch out: when the fuel unit screen is never replaced, debris inbound the oil pump can cause two common operating problems, both leading to improper and even unsafe oil burner operation:

Debris tin can clog the oil burner cheque valve (discussed only above) causing the valve to fail to stop oil delivery quickly when the oil burner stops running. The result can be a sloppy oil burner shut-downwardly, oil burner nozzle clogging, and loss of estrus or an oil burner puffback

Debris that prevents the internal check valve from closing may also permit oil from an oil storage tank to feed through the fuel unit of measurement by gravity, flooding the combustion chamber and risking a unsafe oil burner puffback, explosion or fire when the system re-starts.

During a service telephone call on a very old oil burner in Poughkeepsie, NY in the 1980's, nosotros plant a low-speed oil burner that would go along right on going even after we turned off electric ability to the oil burner motor.

It was scary. The combination of heating oil feeding past the failed bank check valve and into the combustion chamber along with very hot combustion chamber liner components was plenty to keep a "fire" going in the combustion bedroom of the one-time boiler.

Vacuum Checks at the fuel unit

Annual service for the fuel unit also includes a vacuum check for proper pump functioning and to cheque for leaks in the input line.

See OIL LINE VACUUM & PRESSURE TESTS for details.

Internal Check Valve on Heating Oil Fuel Pumps: leaks, repairs, oil delay valves

An internal bank check valve on the fuel unit is designed to rapidly stop the period of oil out of the pump and to the oil burner nozzle when the electric motor stops spinning. If the check valve is non working, every bit the electric motor shaft slows below its full operating speed, oil may be otherwise delivered to the oil burner nozzle at low-force per unit area.

In turn, low force per unit area oil delivery means incomplete combustion of the oil in the combustion chamber (it is not fully atomized or broken into a fine spray). Incomplete combustion of heating oil in plow clogs the oil burner nozzle, leading to sooting and even loss of heat or a unsafe oil burner puffback.

Considering a failed or "sticking" oil burner pump cheque valve causes serious operating problems and because this internal part is not easily repaired in the field there are two common repair approaches:

1. Supplant the entire oil burner fuel pump or fuel unit of measurement
2. Install an oil delay valve -

   come across OIL LINE QUICK Finish VALVES for details.

   An oil filibuster valve is an electric solenoid installed on the high force per unit area oil line between the oil pump outlet fitting and the oil burner nozzle tube.

   The oil delay valve tin can assist assure clean oil burner start-ups and shut-downs by making sure that the electric motor spinning the oil burner air intake blower likewise as the oil pump are up to full operating speed earlier the solenoid opens to permit oil to period to the oil burner nozzle.

This article series explains the installation & use of

• FUSIBLE LINK OIL SAFETY VALVES
• OIL LINE VACUUM-ACTIVATED OSVs & PRVs ,
• OIL LINE Check VALVES On Heating Oil Lines, and
• TIGERLOOP™ or similar oil line de-aerator/prime-protection devices.
• Oil delay valves, also chosen quick-finish valves and besides referred to as oil safe valves, are discussed separately

  at OIL LINE QUICK STOP VALVES.

Drive shaft connections for oil burner fuel pumps on boilers, furnaces, water heaters

An electric motor mounted on one side of the oil burner drives a shaft that in plow spins both a combustion air blower (that draws combustion air into the oil burner tube) and the fuel unit of measurement. Both of those components are connected in line on the drive shaft of the electrical motor using a somewhat flexible rubber or plastic and rubber coupling.

Older "wearisome speed" oil burners used a motor that rotates at 1725 rpm, a speed that in plough determines the speed of the blower associates and the fuel unit as well.

Modern "high speed" oil burners use a motor that rotates at 3450 rpm, a bit noisier but because of the boosted combustion air that these systems tin provide, high speed burners typically operate at a higher efficiency than the older models.

Watch out: a stripped or failed or loose coupling tin result in slow burner blower associates or fuel unit rotation and improper oil burner operation, or in no oil burner operation at all. A bad coupling or bad coupling alignment (everything should be in a straight line, motor, blower shaft, fuel unit shaft) will also be a cause of racket at the oil burner or fuel unit.

Drive Shaft Bearing Leaks on Oil Burner Fuel Units

Damaged coupling joining the electric motor that drives the oil burner, the combustion air blower squirrel muzzle fan, and the shaft that turns the fuel pump unit itself.

In our photograph, left, the heating service tech has removed the fuel unit (oil pump) from the oil burner to audit for evidence of leaks around the oil burner'south fuel unit of measurement drive shaft.

He did so later observing oil and droppings and tar within the burner tube assembly and on the oil burner'south squirrel muzzle fan assembly. Because this fuel unit had a (pocket-sized) leak around the fuel unit shaft, the unabridged unit of measurement was replaced.

In this CLOSEUP Photograph of the fuel unit of measurement shaft leak you can come across a tarry accumulation that convinced the tech (and us) of the leak problem.

What happens if we accept fifty-fifty a small-scale leak around the fuel unit drive shaft on an oil burner pump? Oil dripping into the oil burner tube soils the squirrel cage blower fan blades just enough that the blades accumulate and hold dust and debris.

The issue is that while the fan may look ok, it is moving less air, leading to inadequate combustion air and a smoky sooty oil burner operation, eventually perhaps a puffback. Crud accumulating in the oil burner tube volition eventually clog a small-scale bleeder hole in the tube bottom, leading to all the same more than oil and debris accumulation in this location.

The heating arrangement manufactures provided at this website explain how to audit and detect defects and hazards on heating systems, boilers, furnaces, and other equipment. Methods for saving on heating cost and on improving heating safety are included. Heating condom hazards such as carbon monoxide gas leaks, unsafe furnaces, furnace and boiler recalls are addressed.

Reader Question: leaks at Electro Oil Inter B9B burner in a Heatslave 15/19 banality - Contacts for Danfoss Oil Burner Pumps

(Feb 21, 2014) Stewart Brownish said:

Hi! Nosotros have an Electro Oil Inter B9B burner in a Heatslave fifteen/19 boiler.

Oil has started leaking, quite slowly, from the pressure aligning screw on the front end of the oil pump. Is there something I can tweak or tighten to cure this without turning a pocket-sized problem into a catastrophe?

Reply:

Hi Stewart.

What is the name brand on the oil pump? We ought to exist able to look at its pedagogy transmission to see what's sealable.

Typically there is a lock nut and a slotted spiral that'southward turned to adapt the oil pressure, or on some units a recessed allen screw.

If yours is a Suntec fuel unit you tin can also contact Suntec's
field service department at 800-367-7116.

Continue me posted or send along a photo so I can ID and enquiry your detail unit of measurement

(February 21, 2014) Stewart Brown said:

Information technology has Danfoss on the front end. The rest of the description is from the WEC Heatslave installation manual (Fig 24 on folio 32). Sorry, can't fathom how to attach photograph/manual extract.

(February 21, 2014) Stewart Brown said:

More sleuthing on the internet: Information technology is very similar to a Danfoss BFP21. The front end plate with the controls/adjusters is identical although the orientation of our main body (solenoid/bleed valve) is dissimilar.

Reply:

Stewart there are a number of Danfoss oil burner pump models and the company provides manuals online - though it sounds equally if you've got one. From my browse of the documents I don't see an obvious cap or leak give-and-take

. If there is a faceted plumbing fixtures at or effectually the pressure adjustment screw port y'all might try gently tightening that to be sure it's secure;

I would requite Danfoss a call to inquire about the leak you lot are observing: a business organization is not just oil leaking out only the possibility of air leaking in - which can crusade burner malfunction.

You lot don't say where you are located so I'chiliad giving just contact information for North America; there is additional contact data for other countries

You lot'll run across that for nigh of these fuel units in that location will be more than one way to hook up fuel lines, that may be the departure; also there are LH and RH rotation models that tin can exist confusing to some. There ought to exist a label on the unit giving model number, though on occasion the oil burner company or a service tech may accept re-labeled.

If you desire to use our CONTACT link to ship me photos of the unit and a sharp closeup of where you encounter a leak I may be able to annotate further.

(Feb 21, 2014) Stewart Brownish said:

I have constitute the schematic! P1 on: heating.danfoss.com/PCMPDF/DKBDPD010E302.pdf but it doesn't answer the practical problem I have!

Reply:

give them a telephone call and allow me know what advice you lot receive; if you telephone call a tech due south/he will either just tighten something or will supplant the unit. Nosotros don't know if there is a repairable seal.

(Feb 21, 2014) Stewart Brown said:

At that place is a slightly clearer document: oilburnerspares.com/products/images/pages/file/danfoss/Danfoss%20Oil%20Pump%20type%20BFP.pdf.

It is a deep seated screw with an allen fundamental head.

Office: to adjust oil flow. The screw thread is adjustment rather than seal & it is starting to look as if the diaphragm in our unit of measurement has given up the ghost. I can't really complain virtually longevity only it is a nuisance yet!

Reply:

Sounds as if a tech would at this point replace the fuel unit of measurement.

Be certain to go exactly the right i, including rotation direction; a service tech will know how to measure vacuum, adjust nozzle line force per unit area, and bleed air.

Nosotros requite contact information for Beckett, Danfoss, Sunstrand, Suntec, and Webster oil pumps below.

Oil Burner Fuel Unit of measurement Suppliers, Manuals, Aligning Guides

Shown hither, an Inglis fuel unit, or oil burner pump, at present branded every bit Sunstrand/Inglis fuel units, in essence the Sunstrand J-pump series.

Photo contributed by Inspectapedia.com reader Vladimir, rotated "upside downwardly" to make the Inglis brand dlear. [Click to enlarge whatsoever prototype]

• OIL BURNER MANUALS provides links to manuals for oil burners, controls, fuel units, etc.
• [2] Beckett MODEL SR OIL BURNER INSTRUCTION MANUAL [PDF] R.W. Beckett Corporation, PO Box 1289, Elyria OH 44036 and R.West. Beckett Canada, Ltd., 430 Laird St., Guelph, Ontario, Canada N1G 3x7
• [iii] Thank you to Bottini Fuel [website] service technician Bob for discussing the buzzing aquastat relay trouble, 4/18/2012. Bottini Fuel is a residential and commercial heating oil distributor and oil oestrus service company in Wappingers Falls, NY and with offices in other New York locations. Bottini Fuel, 2785 W Principal St, Wappingers Falls NY, 12590-1576 (845) 297-5580 more contact information for Bottini Fuel at http://www.bottinifuel.com/contact/
• [4] Beckett MODEL SF OIL BURNER INSTRUCTION Transmission , op.cit.
• BECKETT CLEANCUT PUMP INSTRUCTIONS 5285-001 Service & Installation [PDF] (2020) www.beckettcorp.com, U.s.: R.West. Beckett Corporation, 1-800-645-2876 - Canada: R.W. Beckett Canada Ltd, ane-800-665-6972

  Instructions for the Beckett fuel unit models CleanCut PF20322 CleanCut PF20323 CleanCut 40 PF20422

Below: Beckett Single-Stage CleanCut pump Model No. A2EA-6527 showing the solenoid valve atop the fuel unit that assures a rapid and complete close-off of oil flow when the pump stops.

• Danfoss, DANFOSS BURNER COMPONENTS SERVICE MANUAL [PDF] (2012) also meet the company's website: burner.danfoss.com
• Danfoss, (older version of the above) DANFOSS OIL BURNER SERVICE Transmission [PDF] (2010) U.K. version
• Danfoss, Series 90 PUMPS SERVICE Manual [PDF] (2020)

Beneath: Danfoss BFP 21 L3 Oil burner Pump model Bio 10

• Danfoss Hago Inc. Customer Service 1120 Globe Ave., Mountainside, NJ 07092, Phone: 908-232-8687

  Toll-free: 800-710-HAGO (4246) Fax: 908-232-7246 Email: hago@danfoss.com Todd Vitali, Phone: 908-232-8687 X209, Electronic mail: tvitali@danfoss.com

• Danfoss Inc. Heating Partition Baltimore Part 11655 Crossroads Circle Baltimore, Md 21220 Usa Website: https://www.danfoss.com Tel: 443-512-0266 Fax: 443-512-0270 Eastward-postal service: heatingsales@danfoss.com
• Danfoss Inc. Heating Partition Toronto Office 6711 Mississauga Road, Suite 306 Mississauga, ON, L5N 2W3 Tel: 905-285-2050 Fax: 905-285-2055 E-mail: heatingsales@danfoss.com
• [five] Sunstrand Corporation - Sunstrand Fuel Units, 4949 Harrison Artery P.O. Box 7003 Rockford, Illinois 61125-7003 U.S.A. Telephone: (815) 226-6000 Fax: (815) 226-5399 http://www.sundstrand.com

  Notation: Inglis fuel units or oil pumps are currently marketed under the make Sunstrand/Inglis and are typically matched by Sunstrand J-Pumps.

Beneath: a Delta VU fuel pump used in oil burner applications. On at least some Delta fuel units like the VU1 the rotational direction can exist reversed without removing the pump cover. And like most fuel units at that place aer mounting ports for left-hand or right-hand nozzle port connections and the pump can be converted betwixt 1-piping and two-piping oil line installations.

Photograph adapted from Anglo Nordic, a U.K. supplier of Delta fuel pumps. - Anglo Nordic Burner Products LTD 12/14 Island Subcontract Avenue West Molesey Surrey KT8 2UZ United Kingdom Website: https://www.anglo-nordic.com/

• Delta Pumps, DELTA Oil Burner FUEL Unit Type CV, SV2 Manual [PDF] retrieved 2019/12/30 original source: http://www.patriot-supply.com/files/delta_cvsv_en.pdf Contact: Delta Pumps at www.deltapumps.com

Below: an older Sunstrand oil burner fuel unit or "Sunstrand Suntec oil burner pump" - the SunTec Sundstrand J3DD-100 Fuel Oil Pump every bit for sale on eBay in 2021. Older Sunstrand pumps tin can exist identified apace past the raised "S" on the cast-fe pump cover. Often these older pumps were used on oil burners whose motors rotate at 1725 rpm - one-half the speed of modern "high-speed" oil burners spinning at 3450 rpm.

Watch out: when selecting a replacement fuel unit or oil burner pump be sure to match the pump's capacity, rotation direction, and operating speed to the original.

• [6] SUNSTRAND TRANSMISSION SERVICE MANUAL [PDF] May 1974, web search 08/19/2011, original source: http://www.cushmantrackster.com/pay-pdfs/sundstrand.pdf - Sunstrand Series 15 hydrostatic transmissions

Below: Suntec Oil Burner Pump, 3450 rpm, 3gph, 100-150psi, model A2VA-7116 widely used on many oil burners. SunTec is a Sundstrand make.

• [8] SUNTEC MODEL A-7400 Fuel Unit SOLENOID DUMPING PUMP [PDF] Suntec Industries Inc., lx Aberdeen Drive - PO Box 5000 Glasgow, KY 42142-5000 - The states Tel : 270 651 7116 - Fax : 270 651 9276 e-Postal service : info@suntecpumps.com and

  Suntec Industries France, 1 Rue Lavoisier - B.P. 102 F-21603 LONGVIC Cedex - FRANCE Tel : +33 (0)3 80 seventy 60 lxx - Fax : +33 (0)3 eighty 70 61 11 e-Postal service : information@suntec.fr,

  Besides see SUNTEC SOLENOID OIL SAFETY VALVE BROCHURE [PDF] web search iv/nineteen/12, original source: http://world wide web.suntecpumps.com/Suntecus/PDFs/Grade%202740%twenty -%20Solenoid%20Dumping%20Pump.pdf

• [9] SUNTEC MODEL PRV-38 OSV Oil Safety Valve Installation Information [PDF] Suntec Industries Inc., lx Aberdeen Drive - PO Box 5000 Glasgow, KY 42142-5000 - United states of america Tel : 270 651 7116 - Fax : 270 651 9276 electronic mail : info@suntecpumps.com and

  Suntec Industries France, ane Rue Lavoisier - B.P. 102 F-21603 LONGVIC Cedex - FRANCE Tel : +33 (0)3 lxxx lxx lx seventy - Fax : +33 (0)3 80 70 61 xi electronic mail : data@suntec.fr, You can download this file from Suntec'southward website.

  Suntec's manuals for their fuel units are at www.suntecpumps.com/Technical%20Literature.htm

• Suntec, IDENTIFICATION MARKINGS on SUNTEC PUMPS [PDF] to place the proper model and features of your oil Suntec fuel unit, for models AN, AE, Equally, AL, ALE, AU, AR, AP and D pumps, and A 7000, A 3000, OL, B 8000 and B 4000 pumps, retrieved 2019/01/22, original source: http://world wide web.suntec.fr/wp-content/uploads/2018/03/SB33EN_dec2018.pdf

Illustration: Webster® R serial Ii Stage Pump 22R322D-5AA14, 3450 RPM, 34 GPH at 300 psi

• [7] Webster Fuel Pumps & Valves, Capitol City Tool, Inc., Tel: (800) 367-7116 Web: http://www.websterfuelpumps.com/ Email: czahalka@suntecpumps.com

  See too Suntec - higher up.

  Webster provides fuel pump IO & service manuals at the company's website: http://www.websterfuelpumps.com/pump_docs/pump_doc.htm

• Webster, WEBSTER FUEL PUMPS & VALVES INSTALLATION & SERVICE MANUAL [PDF] Division of Capital City Tool, Inc.,

  Excerpts:
  This Webster ® Service Technician's Handbook is supplied as a service to our customers, dealers and installers.

  It represents our efforts to share with them our experiences of many years with our products in the field, and to too provide condensed catalog data to you lot on Webster products.

  This booklet is not intended to be spread-out, or to exist straight applicative to products manufactured by whatever other visitor.

  The following list includes the terms which are most mutual to the oil heating industry. Single-stage fuel unit: unit with one set of gears for both suction and pressure. Two-stage fuel unit: unit with ii sets of gears, one for suction and ane for pressure.

  I-piping system: one line, an line, from tank to fuel unit.

  Two-piping system: two lines, ane inlet and ane return line, from tank to fuel unit.

  Featherbed plug: small-scale hex socket head pipe plug used to close internal port and convert unit of measurement from one pipage to 2 pipe functioning.

  Drain: to remove air from system. Elevator: oil fatigued from a level below pump expressed in feet of lift or inches of mercury.

  Caput of oil: column of oil over fuel unit expressed in psi or feet.

  Inlet port: port which receives oil from tank.

  Bypass port: port which discharges surplus oil back to tank in two-pipe system.

  Return line port: same as past-laissez passer port.

  Valve differential: number of pounds per foursquare inch the pump pressure must drop from operating pressure to close nozzle valve.

  Delivery: gallons per hour pumped from the nozzle outlet assembly of the fuel unit.

  Gear Ready Chapters: Gear Set Capacity: Total amount of oil being displaced by the pumps gear fix(s).

• Webster, WEBSTER K-Serial FUEL PUMP INSTALLATION MANUAL [PDF] LL7970 for Webster oil pump models: M34-3, 2M34-3 iii gph ane gph — M34-6, 2M34-six 6 gph 3 gph — M34-fifteen, 2M34-fifteen 15 gph thirteen gph — M17-6, 2M17-6 6 gph iii gph — M17-15 xv gph xiii gph — M34DK-3 3 gph.
• Webster, WEBSTER R-Series FUEL PUMP INSTALLATION Transmission [PDF]
• Webster, WEBSTER SPM-Series FUEL PUMP INSTALLATION & Operation Manual [PDF] (2021) retrieved 2021/11/08, original source: http://www.websterfuelpumps.com/pdffiles/spm_pump.pdf
• Webster, WEBSTER V-Serial PUMP INSTALLATION & SERVICE Manual [PDF] for single & two stage high-capacity fuel pumps (1998)

Using Biodiesel B6-B20 vs. B-100 in Home Heating System Oil Burners

See BIODIESEL HEATING FUELS for details most using biodiesel or bioheat fuels in oil-fired heating equipment: oil burners used to heat boilers, furnaces, water heaters, etc.

Reader Q&A - as well encounter the FAQs series linked-to below

Question: how to connect a Xanthous Jacket heating oil pressure gauge to my Becket Cleancut oil pump

I'm trying to connect a Yellow Jacket heating oil pressure gauge to my Becket Cleancut oil pump. The judge has a 1/iv" hose with a female flare plumbing equipment and the pump has a male flare fitting (this is where the three/16" nozzle line connects).

None of the supplied adapters work. If I could, I'd connect the gauge hose to the actual nozzle line which has a female person flare at both ends, then either way, I'd exist able to measure the pressure.

I CANNOT effigy out how to make the connection from the 1/4" gauge hose to the three/sixteen" fitting on the pump. All suggestions are welcome; I'thou frustrated.
Thank you lot.

Richard Garcia - 2021/09/09 [approx]

This Q&A were posted originally at HEATING SYSTEMS

Moderator reply: fitting an oil burner pressure test kit & gauge to a Beckett CleanCut fuel unit

I'm pretty nervous about this plan.

On the fuel unit of measurement output side (where I think you're planning to install a pressure level guess) the pressures can be well over 100 psi - up to 140 psi or more - then we want a dead reliable set of tubing and fittings between the fuel unit of measurement outlet and the nozzle line inside the burner head.

Watch out: A "hose" = sounds similar rubber or plastic that can blow - leading to a catastrophe: an oil spill, oil spray all over the place, and a building burn. Be sure that any oil pressure level testing setup uses hoses or tubing specifically rated for the application - as pressures at the outlet side an oil burner fuel unit can be well over 100 psi.

Where nosotros see gauges installed on the high side of an oil system (and ofttimes even on the vacuum side) the all-time installation is using a tee through a shutoff valve, and then that the metal tubing to the gauge is normally off - the valve is close.

That worry expressed, I've sometimes had good luck with the larger suppliers like Grainger or IMS, companies that can provide flare fitting adapters betwixt various tubing sizes. What you want to ask for is

at 1/4 X 3/sixteen FLARE REDUCING Spousal relationship similar the i shown above, available at https://imsbolt.com/ and other plumbing and heating suppliers.

That plus a Tee, additional fittings, and a subclass to support your valve and gauge might work.

Reader follow-up:

Thank you lot. I didn't explicate myself very well. The connexion I described is betwixt a simple, temporary hand-held pressure approximate with 8 inch safety tube and the fitting on my Beckett oil pump. The measurement is to check the pressure setting (should be 100 psi) for a new oil pump.

The pumps are shipped set to 100 psi, but I just want to make sure information technology's prepare-up correctly. I demand to attach the approximate hose to the 3/16" flare on the pump.

So I need a 1/4" male flare into the hose and the opposite of the union has to connect to the three/16" male person flare on the pump.

Yellowish Jacket sells one for $35!!! that is for freon systems.

Thank y'all very much.
Richard

Moderator reply: example of oil burner pressure approximate set & parts

OK, sorry to be obtuse.

Yep when I actually worked for a living I'd attache my gauge to the fuel unit outlet side to bank check the pressure.

You tin buy a whole gauge set for less than the cost of that flare reducing spousal relationship I cited in a higher place.

Your Xanthous Jacket oil burner fuel unit force per unit area gauge test kit should have come with all the fittings you demand to connect to the fuel unit. Exapels are in this screen shot from Amazon. That connects right to the outlet port on the fuel unit.

Scout out: without training and the full set of tools, even a handy homeowner can't properly tune and set-upwards an oil burner safely. Other measurements are needed such as CO2 or O2, fume, and temperature.

Reader follow-up:

Thanks again Daniel. This is the exact kit I have, but none of the four adapters pictured connect to the 3/xvi" flare fitting on the oil pump. That's my trouble. Westwood sells what I need but it's over $100 and I didn't know about it when I ordered the Yellow Jacket last twelvemonth.
RG

Moderator reply:

RG

Usually you can unscrew the existing fitting on the fuel unit of measurement and spiral in an NPT to flare that volition connect to your hose.

Reader follow-up:

Thank you once more. I tried that but the adapters I take to brand this connection betwixt the gauge hose and the oil pump are non the same. That dislocated me. I assumed it would be a standard NPT opening. I checked with a thread gauge. It doesn't seem correct. I'll try again.
BTW, you've been very helpful and generous with your time. Thanks.
Richard

Moderator answer:

What are the brand and model oil burner? Commonly we're going to find NPT.

Reader follow-upwards:

Beckett AFG (about 20 years old)

Moderator respond:

I think we are definitely doing something wrong here. That'southward exactly a very common oil burner and you should exist able to practise what you need allow's make sure that your trying to make the connection at the correct place. Do y'all have the service manual for your burner?

Reader follow-upward:

Yes, of course.

I just re-measured the threads on oil pump nozzle port (flare adapter that the nozzle line attaches to). It is 24 treads/inch. My other adapters/unions of comparable size are all 18 threads/inch.

Moderator reply:

Check with your local plumbing supplier or give Grainger (i 800-GRAINGER) or Titan Fittings (866-533-4302 sales@titanfittings.com) a telephone call to become an adapter that can catechumen 24 to eighteen threads/inch in your diameter (1/four"?)

Reader follow-up: identify the bypass port plug on a Beckett Cleancut fuel unit of measurement oil pump

Thanks Daniel.

One new question:
On the lower left side (as you face the Cleancut pump) in that location is a plug that is NOT identified in any diagrams.

What is information technology for? I'thousand not talking about the inlet plug for a two-pipage system. Information technology is to the left of that at a 45 degree angle beneath the nozzle port. Thanks again.

Is it the bypass port plug?

Moderator respond:

Yes, Richard that'south the bypass port plug - you'll see it identified on some Beckett Cleancut Oil Pump instructions such as this excerpt from the

Pleases see details nearly oil burner fuel units (oil pumps) at

OIL BURNER FUEL UNIT

where we will movement this discussion

Reader follow-upward:

Thanks

Question: my oil pump is using too much fuel

2021/07/31

My oil pump is besides much diesel have to boiler and so delight tell me how to I will command to pump or merely men diesel fuel
- Anonymous by private email

Moderator reply:

This is more than fits in an email answer merely if you go to our website inspectapedia.com and use the "on Folio" InspectApedia search box to search for OIL BURNER FUEL Unit of measurement and you will see a serial of articles on diagnosing and repairing those pumps. I think yet y'all may exist barking upwards the wrong tree if you'll pardon the stupid pun.

What I mean is that the fuel unit of measurement output is controlled by of the pressure setting that you tin can adjust on the fuel unit simply more importantly but more than importantly by the size of the oil burner nozzle.

I establish the pages you want,

showtime at

OIL BURNER FUEL Unit of measurement - dwelling besides see

FUEL UNIT INSTALLATION & Adjustment PROCEDURES

As well run across

OIL BURNER NOZZLE GUIDE

And be sure to check the nozzle size range (in gph or lph) specified by the manufacturer of your heating banality. That data is often also included on a sticker correct on the oil burner.

Thomas

The rotation speed of a oil burner fuel unit of measurement or oil pump is non adjustable. The speed will be determined past the speed of the electric motor that drives the oil burner. That will usually be 1725 or 3450 RPM.

You can still arrange the fuel units output pressure. That aligning is described in this article series.

How do y'all adjust the rotation speed of an oil burner pump? Cheers.

Vladimir,

The Inglis fuel unit or oil pump brand is at present part of the Sunstrand product line marketed as Sunstrand/Inglis.

Your fuel unit looks like the old Sunstrand J-pump so probably it can accept those parts - depending on just what you need, similar a strainer or gasket.

If your pump is so former that no parts are bachelor you can as well replace the entire pump with a more than modern Sunstrand J pump.

You lot will need to know the rotation direction of your unit, and you lot *might* need to replace the drive coupling between the oil burner motor and blower fan int he burner, and the pump itself.

If you're in the U.South. contact: SUNTEC Industries Incorporated 60 Aberdeen Drive GLASGOW, KY 42141 USA Tél : +1 270 651 7116 Fax : +1 270 651 9276 info@suntecpumps.com

In Europe contact SUNTEC Industries France Zone industrielle Dijon Sud 1 Rue Lavoisier CS 60102 F-21603 LONGVIC Cedex Tél : +33 (0)3 lxxx 70 60 lxx Fax : +33 (0)iii 80 70 61 11 information@suntec.fr

Image LOST by older version of Comments code - at present fixed. Please re-postal service the image if you can. Sorry. Mod.

Hey guys is anybody knows where I tin find parts for Inglis oil pump or where I can buy it, thank you

Epitome LOST by older version of Comments code - now stock-still. Delight re-post the epitome if you can. Sorry. Mod.

The danger with this kind of leak on the fuel unit is that when it's running your sucking air into the organisation which can ultimately lead to an improper flame and a proper oil burner operation fifty-fifty ultimately a puff back. Wipe everything off thoroughly and perhaps try a dusting of talcum pulverization

I accept a leak and can't pinpoint where it is coming from information technology only leaks a slight stream of oil when the pump shuts off

Scott

That'south not a symptom I know - are we sure that the racket is from the burner and not a motor or motor coupling or from the burner's blower fan?

i have a beckett oil burner .when it starts upward .burns good.it has a ticking,hesing sound.for a few sec.information technology sounds like a dry out injector

Caroline,

I can only guess, equally I have no information about your heating system nor your building. But hither are some possibilities

If you had run out of oil you lot may demand a service call to get your oil burn air running again because there may exist air or sludge in the oil lines and oil filter and fuel unit on the oil burner.

Nevertheless if the oil burner seems to offset and run normally but the heating pipes and baseboards or radiators never go hot and then I suspect that your arrangement is air bound. You lot can search this website using the search box only in a higher place to wait for that phrase Airbound heating pipes, to run across how to diagnose and repair that trouble

Reader Q&A - as well see the FAQs serial linked-to below

I take a beckett furance got oil and my pipes are all cold no heat why

...

Continue reading OIL BURNER FUEL UNIT DIAGNOSTIC FAQs or select a topic from the closely-related articles below, or see the complete ARTICLE Alphabetize.

Or run across OIL BURNER FUEL UNIT DIAGNOSTIC FAQs - questions & answers posted originally on this page

Or run into these

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Technical Reviewers & References

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Publisher InspectApedia.com - Daniel Friedman

Source: https://inspectapedia.com/heat/Oil_Burner_Pump.php

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