Follow the soot trail of depositions in the building. There is a problem facing the service technician: too often the tech might notice a clue that indicates a problem that needs investigation or repair, but the tech has been given a large number of service calls to make and is thus in too much of a rush to even bring it up with the homeowner, or equally common, the technician mentions the concern and the homeowner says "Stop trying to increase your bill, you are already charging me too much, just clean and tune the boiler.". They generally accommodate retrofits to … What is Puff Back? The color of the smoke resulting from a puff back, however, ranges from dark gray to black, depending on how much soot has been shaken loose from the burner and is entrained in One cleaning chore you can handle yourself after a puff back is the changing of … It did not ignite right away and when it did, there was too much atomized oil and the result was a small explosion instead of just an ignition. A puff back is an explosion of un-burned oil in the combustion chamber of an oil-fired boiler, furnace, or water heater. We could test an insulation sample at various depths for soot levels, but frankly it is most likely not cost justified to do so. Most of the soot would have been produced and blown about by the puffback event itself, not by the following operation of the oil burner for another few moments. A puff back occurs when an oil burner doesn’t ignite right away and as a consequence fumes build up in the furnace. Without them you stand to have these problems. In my experience it's proper maintenance that is central to proper oil burner operation, combined with two additional factors: Occupants or owners need to notice when the oil fired heating equipment is not working normally (smells, soot, odors, loss of heat), and then to ask for service and repair. mike,smoke and oil smell threw out my house every time my heat goes on everything seems to be running fine so today i replace both filters ,cleaned the nozzle, clean ducs above unit and it still happened.whats next? Oil burner operation that leads to what I call "sloppy" oil burner shut down or start-up can lead to un-burnt heating oil in the combustion chamber, as we enumerated in the puffback article where I've included this discussion. - F.M. A puffback is an explosion inside the burner chamber of your oil furnace. I am new at this stuff, so your help is much appreciated. Service technicians need to notice conditions that are likely to presage or even explain a future puffback such as excessive sooting, chimney draft problems, even more subtle clues to draft problems such as a missing draft regulator, visible oil leaks, difficulty obtaining proper draft at the fire and in the breech, repeated service callbacks. Once the pilot eventually ignites, an eruption in the firebox occurs that is generally marked by a … The service professional can adjust and replace all the parts that are wearing out or possibly failing on your boilers burner. What is Puff Back? If you have walls and ceilings with a glossy or eggshell finish, a mild degreaser with water solustion should be used, along with many clean white rags. A puff back can happen when an oil burner doesn’t ignite immediately and vapors are allowed to build up before ignition, resulting in an explosion similar to the backfiring of a car. F.M. Puff backs occur when an oil-burning furnace doesn't ignite when it should. The closest we can come to guesstimating the history of a puffback would be to note reports of the history of boiler operation complaints (odors, noises, sooting), the frequency and extensiveness of prior heating equipment maintenance and/or service calls, and the date of the last service call before the puffback. Oil burner inspection, diagnosis & repair are detailed. We describe the warning signs that a puffback problem may be developing and we give advice on what to do to prevent puffbacks. 1 or puffback shrike : any of several African shrikes of the genus Dryoscopus that are chiefly black and white or buffy in color and have the feathers of the lower back long, fluffy, and erectile. "A furnace puff-back: the unique problem of soot on objects and costumes." An oil furnace puff back occurs due to a problem with the heating system itself. Take photos and/or videos of the damage in order to document the event for your insurance company. 2. Once the pilot eventually ignites, an eruption in the firebox occurs that is generally marked by a … I do not know how much you had serviced, pump pressure, transformer test, air, co, smoke etc. Acrid grayish smoke filled the house and the furnace kept operating for another minute or two despite after first turning down the thermostat. If your home has suffered a puff back you don’t want to try to clean it up yourself. It requires expensive cleaning and restoration in addition to repairs on your heating system. at OIL BURNER INSPECTION & REPAIR. The reset button on aquastats is discussed in more detail.  Suntec Model A-7400 Fuel Unit Solenoid Dumping Pump, 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. We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. These instances are caused by a malfunctioning heating system. Annual cleaning and service are very important for all heating appliances but particularly so for oil fired heaters since some soot deposition during the heating season is normal. I have a 2 year old Trianco, external combi boiler which keeps cutting out. PLEASE DO NOT REMOVE THE AIRGUIDE FROM THE BURNER. They also question the extent of the explosion since there is no evident chinks in the plaster board directly above the furnace. Dispose of any food that may have been contaminated. Contractor says that the fan in this forced air system continued to operate to reduce the heat in the furnace. It happens to oil burning furnaces and other heaters. If your oil burner continues to make a soft rumbling sound (or if you actually see combustion continuing at a reduced rate inside the combustion chamber) right after the oil burner has stopped "running" then there is an oil burner shutdown problem. We can clean up the oily soot and have your furnace working again quickly. The issue typically falls on the ignition function of the oil burner. I have seen a lot of smoke and a little as a result of them. Definition of puffback. Often, the combination of soot and petroleum-based oil can damage many of the items in your house. The best advice is to keep your oil burner in good repair. A complete cleaning of surfaces affected by soot and/or smoke and also setting up equipment to start cleaning the air within your home. Heating, Ventilating, and Air Conditioning Volume I, Heating Fundamentals, Boilers, Boiler Conversions, James E. Brumbaugh, ISBN 0-672-23389-4 (v. 1) Volume II, Oil, Gas, and Coal Burners, Controls, Ducts, Piping, Valves, James E. Brumbaugh, ISBN 0-672-23390-7 (v. 2) Volume III, Radiant Heating, Water Heaters, Ventilation, Air Conditioning, Heat Pumps, Air Cleaners, James E. Brumbaugh, ISBN 0-672-23383-5 (v. 3) or ISBN 0-672-23380-0 (set) Special Sales Director, Macmillan Publishing Co., 866 Third Ave., New York, NY 10022. I suggested to them that it went into the floor past the bates which are held up with wire . It happens to oil burning furnaces and other heaters. If your home has an oil burning furnace, an oil burner puff back can occur if there is a build-up in vapor, which upon ignition, can explode. You can see the remains of soot on top of the furnace (lower right), and the fix - someone sealed the opening from which soot was leaking - the draft regulator. Continue reading at OIL BURNER INSPECTION & REPAIR - topic home, or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. Immediate service is recommended. You might get better answers if you look for a website frequented by oil burner mechanics and clean up people. Air currents indeed can move in unanticipated directions and pathways in a building, as can soot and debris, but from a puffback I'd expect soot to leave a trail from point of origin to various destinations. I have a general question - for an oil furnace, where does the residual soot go - up the chimney? Look out for odors, noises, soot around the boiler or furnace room. If the chimney is not maintained, then I am guessing the soot will build up in the chimney and then eventually back down into the furnace. We have no relationship with advertisers, products, or services discussed at this website. Oil vapors build up in the ignition chamber, causing an explosion when the igniter finally triggers. The soot travels through your furnace’s exhaust system, which in turn expels the soot and debris throughout your house. A puffback occurs when an oil-fueled furnace breaks down and causes a sudden “puff” of oily dust particles that settle everywhere. One should call their insurance company very promptly following a puffback if one is considering making a claim, as the insurer may want to see conditions at the building before the equipment has been removed or changed. OIL BURNER SOOT & PUFFBACKS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. As far as your questions about the direction and extend of the force of the explosion, the amount of soot I am afraid that I do not have any expertise in that aspect of oil burner emergencies. 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