Water Heater Flame Arrestor
Air is supplied by the space.
Water heater flame arrestor. If you take a light and look you will more than likely see lint built up on it. I can get the unit to work if i loosen the screws holding the cover plate onto the combustion chamber. Depending on your heater it will either be a rectangular one under the front left area or a circular one in the center. Rheem gaurdian water heater 40 gallon.
The flame arrestor is factory built into the bottom of the gas tank type water heater and is part of the flammable vapor ignition resistant system or fvir together with the ldo screen and combustion chamber tco thermal cut off. Prevention of yellow or orange flames most of the today s gas water heaters are equipped with the fvir or flammable vapor ignition resistant technology and unique flame arrestor which prevents the flame and burning vapors to escape the combustion chamber and put you and your family in danger of fire and explosion. The water heater and use the vacuum to remove any dust debris from the brush. If flammable vapors enter this uniquely designed system and are ignited any flames present in the chamber will be prevented from traveling backwards through the flame arrestor plate and outside of the water heater providing added protection for you and your home.
Water heaters need air. Cleaning the air filter and flame arrestor step 1. The heart of bradford white s defender safety system is the patented flame arrestor design with screenlok technology. The propblem is with air flow.
Once the flame arrestor is free from dust debris use the vacuum crevice tool to remove any dust debris inside the base of the water heater. Thermocouple and pilot are ok. Most of today s gas water heaters are equipped with the fvir or flammable vapor ignition resistant technology and unique flame arrestor feature which prevents the flame and burning vapors to escape the combustion chamber risking the open fire and potentially explosion. The air needed by the water heater is supplied by the space it s installed in.
The actual flame arrestor is a fine mesh like screen on the bottom side of the water heater and will need to be vacuumed. Those water heaters that are subjected to this problem will show discoloration on the flame arrestor which will require you to replace the unit. This allows enough air to keep the flame going but is obviously not a proper fix. Repeat this procedure until the flexible cleaning brush does not retrieve any further dust debris see figure 4.