Guide to Heating Oil Storage Tank Defects

Heating oil storage tank inspection, defect or leak identification, & problem reporting
- Example oil tank inspection report language for above ground or buried oil tanks
- Oil tank location errors - where not to put the oil tank, & general warnings about buried oil tanks
- Reporting that an oil tank is patched, leaky, poorly supported
- Reporting oil piping defects, leaks, errors
- Guidelines for home inspectors for reporting on oil storage tanks
Questions & Answers about heating oil storage tank inspection, diagnosis, & repair: location, leaks, piping, regulations
References

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This fuel oil storage tank article describes common defects & problems found at above ground and buried oil storage tanks for both above ground oil storage tanks (ASTs) and underground or buried oil storage tanks (USTs). We discuss problems with oil tank contamination by water or dirt, oil tank location and clearances, oil tank rusting and leaks, oil tank leak testing, oil tank piping, oil tank support and protection from damage, oil piping safety valves, & how to avoid trouble with oil tanks that are exposed to cold weather.

OIL TANK DEFECTS - Reporting Oil Tank Defects by Visual Inspection

This document describes and provides home inspection report language for defects in heating oil tanks, oil piping, and other oil storage tank installation defects that can be found by visual inspection for both above ground storage tanks (ASTs) and underground oil storage tanks (USTs). Beyond the costly problem of leaky heating oil tanks, this document lists other important safety or oil-fired equipment operational defects in home and light commercial heating oil storage and piping systems.

This sample home inspection report language may assist home owners or home buyers in understanding risks associated with both buried and above ground oil or other fuel storage tanks at their property. The oil tank and oil piping inspection report language explains the need for action and indicates where more information can be obtained. Contact us to suggest text changes and additions and, if you wish, to receive online listing and credit for that contribution.

Also see OIL TANK INSPECTION REPORTS and see OIL TANK INSPECTION REPORT TEXT. Oil tank defect photographs are at Visual Inspection of Oil Storage Tanks. NOTICE: while example report language is provided here, reproduction of this or any of our web pages or their contents online at other websites or in printed documents for sale is prohibited. Readers are welcome to use the text directly in home inspection reports, with citation of the website source.

OIL TANK IN GARAGE - Oil Tank in Garage - warning

The tank is in the garage. Caution: Don't hit the tank with your car - a leak could involve a costly cleanup. Some municipalities require protective caging or barriers be built around the tank to avoid this hazard.

OIL TANK NEAR WATER - Oil Tank - nearby waterway, risks & code HAZMAT

*** Nearby waterway or Adjacent property
(estimated within ___') formed by the stream (or other body of water) would be contaminated should this tank leak or fall over.

The OIL TANK at this location without protection is in possible violation of NYS Building Code 1002.2b and 1002.4c "Above ground tanks shall be provided with means to prevent accidental discharge from spreading to waterways,

OIL TANK TOO CLOSE TO FURNACE - or Boiler or Water Heater - Oil Tank Clearances from Equipment

Technical Safety Recommendation: The oil tank may be located closer than recommended distance from the boiler. You should discuss this question with your heating service person.

Our sketch at left, courtesy of Carson Dunlop, shows the typical ten foot clearance recommended between the closest point of the oil tank and the closest point of an oil burner.

OIL TANK SAFETY CLEARANCE from heating equipment - Building and Fire Code Citations

Oil tank clearance from furnace or boiler (C) Daniel Friedman - Audel

NYS Uniform Fire Prevention and Building Code, 1/1984 Para. 1002.3b.
"--- tanks must not be closer than 5 ft to the burner, boiler, or furnace---" Domestic Oil Burners, Burkhart, McGraw Hill, 1969 p. 174.
Other experts suggest a minimum of 7' or 10' separation between the closest point of the tank and boiler. "The Modern Service Manual for Residential Oil Fired Equipment", NOTA, & National Association of Oil Heat Managers, 1979, illustration in section on "Oil Tank and Piping".
This Audel Oil Burner Guide sketch (left) shows that the minimum ten-foot clearance rule between an oil tank and the boiler, furnace, or water heater, is an old one dating at least from 1947 in the U.S.

OIL STORAGE TANK EXPOSED TO WEATHER - Outside Oil Tank, (not buried) Exposed to Weather

Photograph of an indoor oil tank used outside and exposed to roof spillage Photo © 2010 Arlene Puentes

Caution: As this home heating oil tank is outside, it is exposed to water entry either through roof spillage onto the tank and splashing into the the filler or vent pipes.

Water may also accumulate in this outside oil storage tank by condensation due to temperature changes.

Water in heating oil can cause loss of heat if it reaches the oil filter or oil burner. Water in heating oil tanks also often leads to internal corrosion and leaks in the oil storage tank itself, possibly ending in a costly oil leak or spill.

Details are at OIL TANK WATER CONTAMINATION

We recommend:

Keep roof spillage off of the tank top by adding a roof or enclosure over or around the tank;
Test the oil tank for water presence and remove any excessive water;
Use a fuel oil additive such as 4 in 1 Hot(TM) to assist in removing moisture from the oil. Photograph courtesy of Arlene Puentes]

This is a new heating oil tank (rated for indoor use according to its UL label) located outdoors. If you click-on and enlarge Ms. Puentes' photograph of this oil tank you will see that its top is wet from roof spillage and splash and that water runs down the side of the tank.

The fill and vent piping on this tank appear intact from the photo but the tank and its heating oil contents have other risks which we discuss in this oil tank inspection report sample text section.

When an indoor-use heating oil tank is located outside it is exposed to water entry either through spillage (such as from a roof edge shown in this photo) onto the fill and vent pipes or by condensation due to temperature changes.

Water in the fuel oil or simple exposure of the oil to cold temperatures can lead to loss of heat and resultant damage to a building by several means:

oil tank leaks caused by water in the oil tank, which will reside at the bottom of the tank, may freeze in the tank or in the oil line, particularly for installations at which the oil line is attached to the bottom of the tank.
oil burner damage: water can cause rusting which is pulled into the heating equipment where it clogs the filter, fuel pump, or oil burner nozzle
heat loss: in some modern high efficiency systems a special filter is used which will stop flow completely, shutting down the burner in response to water or debris buildup in the filter - a move to protect the equipment.
heat loss: heating oil in an outside line may "Jell" and stop flowing at cold temperatures.
Heat tape fire hazards at heating oil piping: outside tanks in cold climates exposed to jelling of the heating fuel may be (in error) fitted with a heating tape in an attempt to avoid freeze-up in the oil line itself. This is a potential fire hazard. Heat tapes should not be used on heating oil lines. Details are at HEAT TAPE HAZARD ON OIL TANK. Also see FREEZE-PROOF A BUILDING where we describe GFCI protection on heat tape circuits powering heat tapes for manufactured and mobile homes.

Water in oil tanks also often leads to internal corrosion and leaks in the tank itself, regardless of the tank location, though buried tanks and indoor oil tanks are less prone to water accumulation due to in-tank condensation in response to temperature changes than a tank located above ground outside.

Oil storage tanks usually fail from rust perforation due to combination of water inside the tank with sulphur in the fuel oil. External rust, unless very heavy, isn't highly correlated with internal rust. A new tank, when required, may cost more $2000. installed, including removal of the old oil tank.

When an outdoor tank is exposed to these conditions and even for an indoor tank which we suspect has had a dose of water and sludge, we recommend regular use of a heating or fuel oil additive to absorb water and to help break up sludge. The best solution is to locate the tank indoors or to build a heated shelter over the outdoor tank.

How to Keep Water Out of Your Heating Oil Storage Tank and Avoid Loss of Heat

Details about preventing water from accumulating in oil storage tanks are at How to Keep Water Out of Oil Tanks. Excerpts are below.

Photograph of an indoor oil tank used outside and exposed to roof spillage and water entry at the oil tank vent pipe (shown in photo) Photo © 2010 Arlene Puentes

Keep the oil tank filled as near full as you can to minimize the tendency of the tank to draw in moist air and experience in-tank moisture condensation. Don't leave the oil tank near empty over the spring or summer months.
Keeping Water Out Of Above ground Oil Tanks Located Outside

Protect the oil tank from spillage from roof runoff
Be sure that the oil tank filler opening cap is kept in place and sealed and that the oil filler cap o-ring or gasket are in good condition
Be sure that the oil storage tank vent pipe is properly capped (a straight pipe pointing up with no cap permits water entry) (and also screened against insects which can clog the vent opening and lead to tank leaks)
In cold-weather climates, enclose the tank on all sides, giving access for inspection; route fill and vent pipes outside of the enclosure; where needed, provide a small heat source either from the building or by electric heater or even a light bulb to prevent freeze-ups. At least one manufacturer presently sells an outdoor plastic oil tank enclosure for this purpose, though we haven't seen how they're providing a heat source to avoid oil waxing.
Use a heating oil additive which will help remove small amounts of water - see "Heating or Fuel Oil Additives" below.
Route oil lines from the top of the tank rather than the bottom to reduce pick-up of water from the tank bottom.
At annual service have the oil storage tank checked for water and remove water if it's found there.

[Photo courtesy of Arlene Puentes. This photo shows an un-screened oil tank vent pipe which may also be under-sized. The 90 deg. ell at the top of the pipe nipple is incomplete protection against water entry if roof spillage splashes on the tank top, and it lacks an insect screen. This is not an approved nor recommended oil tank venting detail.

Keeping Water Out Of Underground Oil Storage Tanks

Extend oil tank fill and vent valves above ground level to reduce the chances of surface water entering the piping
At annual service have the oil storage tank checked for water and remove water if it's found there.
If water is found in the oil tank, and if the oil delivery company is certain that they didn't deliver water from their tank, and if water is not entering by condensation and temperature change cycles, check the tank piping connections for leaks.
Have the tank [low] pressure tested for leaks.
Take oil piping off of the top of the buried oil tank, not the bottom. Our sketch at left, courtesy of Carson Dunlop, shows a common buried oil tank installation except that the oil line is shown leaving the bottom of the buried oil tank. Modern practice usually connects a pair of oil lines to the top of a buried oil tank, avoiding picking up water and sludge from the oil storage tank bottom, and avoiding the chance that a leak in piping between oil and building interior will flood the inside of the building with oil.

Tips for Using Heating or Fuel Oil Additives in the Oil Storage Tank

Heating fuel additives such as "4-in-One Hot" (TM) can help prevent loss of heat by adding a pour point depressant which lowers the temperature at which the heating oil will form waxes or jell, and by adding a chemical, typically an alcohol, to remove [small amounts] of water from the oil. Such additives may also help break up sludge which tends to clog old heating oil lines.

Some oil companies will deliver a mix of heating oil and kerosene to outdoor above ground oil tanks as a way to avoid jelling and freeze-ups and loss of heat. It may be less costly to buy regular heating oil and put in the appropriate pour point depressant additives at each oil delivery.

Note: these tips are not a complete oil tank installation guide. Proper installation must be done by trained service technicians and must comply with local building codes.

See details about heating oil additives and chemicals at Additives for Outdoor Oil Tanks.

BURIED OIL TANK - Found or Suspected at a Property

Our full article detailing how to suspect and find buried oil tanks at properties can be read at BURIED OIL TANKS, FINDING.

Sample oil tank inspection report for buried oil tanks: A buried oil tank is installed and could not be inspected. Advice follows

BURIED OIL TANKs should be tested for leaks since costly environmental cleanup can be required if the tank has leaked into surrounding soil. Perform this test before purchase of the property. BURIED OIL TANK ADVICE(InspectAPedia.com/oiltanks/fueltank.htm) and BURIED OIL TANKS, FINDING (InspectAPedia.com/oiltanks/tankaudt.htm) for full details on what to do if you own or are buying a property that has or might have a buried oil tank or underground storage tank (UST) on the land.
It is also diagnostic to test the amount of water present in tank bottom; and water should be pumped out. Water mixes with sulphur in the fuel, forms sulfuric acid, and corrodes through the tank.

While we've found them lasting longer, a common life expectancy of buried tanks is 10-15 years. Ask your service person about using a fuel additive such as 4-in-1-Hot™ to help remove water. It will also increase heating system reliability.

ENVIRONMENTAL ISSUES CONCERNING BURIED OIL TANKS: the NY Department of Environmental Conservation has a program registering buried oil tanks at any site storing more than 1100 gallons of heating oil. Eventually this concern may spread to smaller residential tanks. The concern is for leaks which contaminate the environment.
OIL STORAGE TANK FAILURE RATE: Oil storage tanks usually fail from rust perforation due to combination of water inside the tank with sulphur in the fuel oil. External rust, unless very heavy, isn't highly correlated with internal rust. A new tank can involve significant expense.

There are also proper methods of "abandoning" old unused buried tanks without removing them if the tanks have not leaked. Consult your heating company or local DEC officials if you have questions regarding this topic.

In New England for a two year period [1984-5] among customers who had buried tanks (16% of total customers) surveyors found an average of 1.7 tank leaks per thousand customers. They also found 2.5 fuel line leaks per 1000 customers. Source: Fuel Oil and Oil Heat magazine, August 1985 p.18.

See OIL TANK FAILURE RATES for details.
OIL TANK TESTING: specialty companies and some oil companies have equipment to test tanks for leaks. Testing for water in the tank is simple and can be done by any service person.

OIL TANK SUPPORT - Oil Tank legs need masonry piers or tank support piers are out of level

Photograph of an indoor oil tank used outside and risking tipping over due to inadequate masonry piers © 2010 Arlene Puentes

"Oil Tank legs for this outdoor tank should be supported by level and sound masonry piers to reduce the probability of the oil tank feet sinking or tipping and causing the tank to tip over.

Tipping or falling outside above ground oil tanks risk a fire, heating oil spill, or a "loss-of-heat" hazard.

This repair/maintenance item should not be deferred. This is usually an inexpensive item to correct." [Photo courtesy of Arlene Puentes]

See OIL TANK SUPPORT for full details about proper support and protection for above ground oil storage tanks.

OIL TANK LEAKY/PATCHED - Oil Tank Leaky/Patched - replace soon

"The oil tank is very likely to have to be replaced soon if not immediately - the tank was leaking and a "patch" has been strapped to the tank bottom.

Removing old tanks and installing are placement oil tank will involve significant expense.

WARNING: serious and costly oil tank spillage can occur at any moment, but especially when this oil storage tank is being filled."

OIL PIPING DEFECTS - Reporting Oil Piping Defects by Visual Inspection

Defects in oil fill or vent piping are much more serious than you may think. That little drip of oil onto the basement floor is just a clue - but when your heating equipment is running, air drawn into the oil line at that same leak point can lead poor or dirty oil burner operation, a dangerous puffback, or loss of heat and related building damage. And defects in the oil fill and vent piping can lead to catastrophic indoor or outdoor oil spills (as we explain at OIL TANK PRESSURE).

Please see our detailed articles about heating oil piping inspection and defects beginning at OIL TANK PIPING & PIPING DEFECTS.

MISSING SAFETY CONTROLS & SWITCHES at the Oil Tank & Oil Burner: Electrical shutoff switches for heat and oil line shut off valves

Oil burner oil line switch (C) Daniel Friedman

Oil heating equipment safety controls are discussed in detail at FIRE SAFETY CONTROLS where we provide more information on oil heat equipment electrical switches and on the fusible-link oil supply piping valve, check valve, or related controls that help prevent pumping heating oil onto a building fire as well as avoiding other oil piping problems.

...

Frequently Asked Questions (FAQs) about heating oil storage tank defects, location, repair, piping, inspections & regulations

Question: What should be the fire clearance distance between an oil storage tank and a woodstove?

I live in PA. I am currently in the process of putting a wood stove in my basement. I have an oil tank in the basement and was wondering what kind of requirements there are. Like how far apart they have to be or what kind of protection has to be in between or how I have to protect the oil tank. Whatever info you can give me would be great thanks. - N.G. 3/3/12

Reply: 10 feet is common clearance distance between the oil storage tank and heating equipment; get a building permit and have your installation inspected.

A competent onsite inspection by an expert usually finds additional clues that might point out other fire worries in your project, and furthermore, in most jurisdictions a building permit, inspections, and code approvals are required for woodstove installations - all steps that not only make sure you comply with local codes but also make your installation safer than it might otherwise be.

That said, most likely your local code official will require the same fire clearance between a wood stove and oil storage tank as between the tank and other heating appliances - usually 10 feet is the minimum.

Question: what is the clearance required between my oil storage tank and a freezer?

My oil storage tank is located in the garage. How much clearance is required between it and a freezer? - Chris T 8/11/12

Reply:

I don't think we'll find the answer to your question in codes, Chris.
And without seeing your installation I don't have a clear answer - so I can remark in principle:

If there is an oil filter or oil control valve at the oil tank you want to be sure that it's readily accessible to your heating technician.

You want to be sure that moving the freezer in and out don't contact nor damage the oil lines themselves

You want to be able to read the oil tank gauge

You want to be able to open and shut the freezer door without obstruction

Your freezer will have requisite air circulation space requirements, often at the rear only, depending on the design.

Otherwise, after respecting all those common-sense concerns, smack that freezer right up snug as you like.

Question: is it possible to have an indoor above ground oil tank and an outdoor underground tank installed at the same property?

Is it possible to have an indoor above ground oil tank and a outdoor underground oil tank located on the same home property?

Reply: Yes.

Nic,

Your question, an excellent one, makes the point that just because you find an oil storage tank at a property, don't assume it is the only one present or only one that has ever been present. The older the property the more likely that there may have been more than one oil tank installed.

While there are no hard and fast rules or laws here are some examples and clues of cases that may arise - stuff to watch out for:

If you see a new-looking outdoor oil storage tank like the one shown here (above-left) installed on an OLD pad, an old above ground tank may have been replaced in the same spot.

If you see a new-looking outdoor oil storage tank and old oil piping remnants in the building then look for evidence or history of an old tank.

Local residential codes may limit the total volume of heating oil stored at a property (typically to 1100 gallons), but that does not limit the number of in use and old tanks that may be present.

There may be an indoor as well as an outdoor or even a buried outdoor oil storage tank all located at the same property. The history that we have run across typically involves a buried or underground oil storage tank that was abandoned and not properly removed following discovery of leakage; the property owner, needing to keep heat working, installs an above-ground oil storage tank indoors, or if there is no space indoors, s/he might install an outdoor tank.

We have also come across properties at which an indoor tank was old and leaky but the owner found it difficult to remove and with no space for another indoor tank the owner opted for an outdoor oil storage tank.

Watch out: if there is evidence or a report that a buried oil tank was abandoned in place OR was removed completely, be sure you obtain documentation that provides reliable evidence that the work was done properly and that any contaminated soils or leaks were cleaned-up. Failure to follow-up on this oil tank question can leave a new property owner with an old, expensive surprise.

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Technical Reviewers & References

Related Topics, found near the top of this page suggest articles closely related to this one.

Mark Cramer Inspection Services Mark Cramer, Tampa Florida, Mr. Cramer is a past president of ASHI, the American Society of Home Inspectors and is a Florida home inspector and home inspection educator. Mr. Cramer serves on the ASHI Home Inspection Standards. Contact Mark Cramer at: 727-595-4211 mark@BestTampaInspector.com
John Cranor is an ASHI member and a home inspector (The House Whisperer) is located in Glen Allen, VA 23060. He is also a contributor to InspectApedia.com in several technical areas such as plumbing and appliances (dryer vents). Contact Mr. Cranor at 804-747-7747 or by Email: johncranor@verizon.net
Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. (416) 964-9415 1-800-268-7070 info@carsondunlop.com. The firm provides professional home inspection services & home inspection education & publications. Alan Carson is a past president of ASHI, the American Society of Home Inspectors. Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The Home Reference Book & illustrations from The Illustrated Home. Carson Dunlop Associates' provides:
- Commercial Building Inspection Courses - protocol ASTM Standard E 2018-08 for Property Condition Assessments
- Home Inspection Education Courses including home study & live classes at eleven colleges & universities.
- Home Inspection Education Home Study Courses - ASHI@Home Training 10-course program.
  Special Offer: Carson Dunlop Associates offers InspectAPedia readers in the U.S.A. a 5% discount on these courses: Enter INSPECTAHITP in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.
- The Home Reference Book, a reference & inspection report product for building owners & inspectors.
  Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.
- The Home Reference eBook, an electronic version for PCs, the iPad, iPhone, & Android smart phones.
  Special Offer: For a 5% discount on any number of copies of the Home Reference eBook purchased as a single order. Enter inspectaehrb in the order payment page "Promo/Redemption" space.
- The Illustrated Home illustrates construction details and building components, a reference for owners & inspectors.
  Special Offer: For a 5% discount on any number of copies of the Illustrated Home purchased as a single order Enter INSPECTAILL in the order payment page "Promo/Redemption" space.
- The Horizon Software System manages business operations,scheduling, & inspection report writing using Carson Dunlop's knowledge base & color images. The Horizon system runs on always-available cloud-based software for office computers, laptops, tablets, iPad, Android, & other smartphones.
Arlene Puentes, an ASHI home inspector in Kingston, NY, contributed the example photograph of an outdoor aboveground oil tank. Ms. Puentes can be contacted at ap@octoberhome.com
[1] Audels Oil Burner Guide, Installing, Servicing, Repairing, Frank D. Graham, Theo. Audel & Co., New York 1946, 1947, 1955 (out of print, copies occasionally available from antique book dealers and on EBay)
[2] Beckett Model SR Oil Burner Instruction Manual, R.W. Beckett Corporation, PO Box 1289, Elyria OH 44036 and R.W. Beckett Canada, Ltd., 430 Laird St., Guelph, Ontario, Canada N1G 3x7
[3] Thanks to Bottini Fuel service tecnician Bob for discussing the buzzing aquastat relay problem, 4/18/2012. Bottini Fuel is a residential and commercial heating oil distributor and oil heat service company in Wappingers Falls, NY and with offices in other New York locations. Bottini Fuel, 2785 W Main St, Wappingers Falls NY, 12590-1576 (845) 297-5580 more contact information for Bottini Fuel
[4] Beckett Model SF Oil Burner Instruction Manual, op.cit.
[5] Sunstrand Corporation - Sunstrand Fuel Units, 4949 Harrison Avenue P.O. Box 7003 Rockford, Illinois 61125-7003 U.S.A. Telephone: (815) 226-6000 Fax: (815) 226-5399 http://www.sundstrand.com
[6] Sunstrand Transmission Service Manual, May 1974, web search 08/19/2011, original source: http://www.cushmantrackster.com/pay-pdfs/sundstrand.pdf - Sunstrand Series 15 hydrostatic transmissions
[7] Webster Fuel Pumps & Valves, Capitol City Tool, Inc., http://www.websterfuelpumps.com/
[8] Suntec Model A-7400 Fuel Unit Solenoid Dumping Pump,
Suntec Industries Inc., 60 Aberdeen Drive - PO Box 5000 Glasgow, KY 42142-5000 - USA Tel : 270 651 7116 - Fax : 270 651 9276 e-Mail : info@suntecpumps.com and
Suntec Industries France, 1 Rue Lavoisier - B.P. 102 F-21603 LONGVIC Cedex - FRANCE Tel : +33 (0)3 80 70 60 70 - Fax : +33 (0)3 80 70 61 11 e-Mail : information@suntec.fr, [copy on file as /heating/Oil pumps fuel units/Sunted_Solenoid_DumpingPPump.pdf] ,
Also /Suntech_Solonoid_Safety_Valves.pdf (brochure)
web search 4/19/12, original source: http://www.suntecpumps.com/Suntecus/PDFs/Form%202740%20
-%20Solenoid%20Dumping%20Pump.pdf
[9] Suntec Model PRV-38 Oil Safety Valve Installation Information, untec Industries Inc., 60 Aberdeen Drive - PO Box 5000 Glasgow, KY 42142-5000 - USA Tel : 270 651 7116 - Fax : 270 651 9276 e-Mail : info@suntecpumps.com and
Suntec Industries France, 1 Rue Lavoisier - B.P. 102 F-21603 LONGVIC Cedex - FRANCE Tel : +33 (0)3 80 70 60 70 - Fax : +33 (0)3 80 70 61 11 e-Mail : information@suntec.fr, [copy on file as /heating/Oil pumps fuel units/Form 2155 - PRV-38 Installation.pdf]. You can download this file from Suntec's website. ,
[10] Firomatic Globe Type Oil Line Valves & Lever Type Fusible Link Control Valves: ISP Automation, Inc., 1035 Old Georges Road, North Brunswick, NJ 08902, Phone: 866-383-3481, FAX 866-383-3482, Email: support@ispautomation.com
[11] Fusible link oil line control valves for commercial equipment: ASCO products by Emerson Industrial Automation, P.O.Box 160, 17 Airport Road Brantford, Ontario Canada N3T 5M8 Tel: (519) 758-2700 Fax: (519) 758-5540
[12] Fuel oil safety valves, Webster Fuel Pumps & Valves, 219 Hahn Road Frankfort, Ky. 40601, Tel: (800) 766-1233 Email: czahalka@cctoolinc.com (Curtis Zahalka Sales Mgr/Mkt /Cust Service/Tech Support/Webmaster ) web search 10/12/2011 original source http://www.websterfuelpumps.com/pdffiles/osv1.pdf
[13] Webster Service Technicians' Handbook, Webster Fuel Pumps & Valves, 219 Hahn Road Frankfort, Ky. 40601, Tel: (800) 766-1233
[14] "The Oil Safety Valve (Service)", Charles Bursey, Sr., Fuel Oil News, February 2006 (Still trying to get the full article - October 2008 - DF) Charles W. Bursey Sr. can be reached at F.W. Webb Co. www.fwwebb.com/
[15] "Installation Information for Suntec A-2000, A-7000 Single Stage and B-8000 two stage fuel units"Suntec Industries, 60 Aberdeen Drive, Glasgow KY 42141, 270-651-7116 (1725 rpm black label, 3450 rpm white label)
[16] Tigerloop: oil line de-aerator devices, Westwood Products Inc., 330 William St., PO Box 610, South River, NJ 08882-0610 - (732) 651-7700
Mark Cramer Inspection Services Mark Cramer, Tampa Florida, Mr. Cramer is a past president of ASHI, the American Society of Home Inspectors and is a Florida home inspector and home inspection educator. Mr. Cramer serves on the ASHI Home Inspection Standards. Contact Mark Cramer at: 727-595-4211 mark@BestTampaInspector.com
John Cranor is an ASHI member and a home inspector (The House Whisperer) is located in Glen Allen, VA 23060. He is also a contributor to InspectApedia.com in several technical areas such as plumbing and appliances (dryer vents). Contact Mr. Cranor at 804-747-7747 or by Email: johncranor@verizon.net
Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. (416) 964-9415 1-800-268-7070 info@carsondunlop.com. The firm provides professional home inspection services & home inspection education & publications. Alan Carson is a past president of ASHI, the American Society of Home Inspectors. Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The Home Reference Book & illustrations from The Illustrated Home. Carson Dunlop Associates' provides:
- Commercial Building Inspection Courses - protocol ASTM Standard E 2018-08 for Property Condition Assessments
- Home Inspection Education Courses including home study & live classes at eleven colleges & universities.
- Home Inspection Education Home Study Courses - ASHI@Home Training 10-course program.
  Special Offer: Carson Dunlop Associates offers InspectAPedia readers in the U.S.A. a 5% discount on these courses: Enter INSPECTAHITP in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.
- The Home Reference Book, a reference & inspection report product for building owners & inspectors.
  Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.
- The Home Reference eBook, an electronic version for PCs, the iPad, iPhone, & Android smart phones.
  Special Offer: For a 5% discount on any number of copies of the Home Reference eBook purchased as a single order. Enter inspectaehrb in the order payment page "Promo/Redemption" space.
- The Illustrated Home illustrates construction details and building components, a reference for owners & inspectors.
  Special Offer: For a 5% discount on any number of copies of the Illustrated Home purchased as a single order Enter INSPECTAILL in the order payment page "Promo/Redemption" space.
- The Horizon Software System manages business operations,scheduling, & inspection report writing using Carson Dunlop's knowledge base & color images. The Horizon system runs on always-available cloud-based software for office computers, laptops, tablets, iPad, Android, & other smartphones.
Dave Ferris - M&S Environmental Systems, Dutchess County, New York. Mr. Ferris was an HVAC expert. Personal communication to DJF 1987. Remove the firematic or fusible oil supply line valve on return oil-line side - in case of fire if this one closes first the pump continues to run, blows its seal, and sprays oil all over the fire. Proper installation is to have a fusible link valve only on the supply side, and to install a check valve on the return line to prevent back-siphonage from the tank.

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.

The Home Reference Book - the Encyclopedia of Homes, Carson Dunlop & Associates, Toronto, Ontario, 25th Ed., 2012, is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume. Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Enter INSPECTAHRB in the order payment page "Promo/Redemption" space. InspectAPedia.com editor Daniel Friedman is a contributing author.

Or choose the The Home Reference eBook for PCs, Macs, Kindle, iPad, iPhone, or Android Smart Phones. Special Offer: For a 5% discount on any number of copies of the Home Reference eBook purchased as a single order. Enter INSPECTAEHRB in the order payment page "Promo/Redemption" space.

Building inspection education & report writing systems from Carson, Dunlop & Associates Ltd

Carson Dunlop, Associates, Toronto, have provided us with (and we recommend) Carson Dunlop Weldon & Associates' Technical Reference Guide to manufacturer's model and serial number information for heating and cooling equipment
Special Offer: Carson Dunlop Associates offers InspectAPedia readers in the U.S.A. a 5% discount on any number of copies of the Technical Reference Guide purchased as a single order. Just enter INSPECTATRG in the order payment page "Promo/Redemption" space.
National Association of Oil Heat Service Managers, PO Box 380, Elmwood Park, NJ 07407
"Homeowners Guide to Fuel Storage," Agway Energy Products, Verbank, NY, November 1990
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	Free Encyclopedia of Building & Environmental Inspection, Testing, Diagnosis, Repair	Ask a Question or Search InspectAPedia

Free Encyclopedia of Building & Environmental Inspection, Testing, Diagnosis, Repair

Ask a Question or Search InspectAPedia

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