Question about Heating & Cooling
One night our cozy wall furnace (w355f) stopped working. Being a guy, I tapped on the gas valve (not the shut off valve) and the heater started working again. Problem repeated so I replaced the gas valve. worked fine for a while (days) then problem repeated. Replaced the pilot generator (even though no problem with pilot staying lit). Same thing -- Worked for a while tapping the valve got it working then it stopped again. But then the burner started cutting out. When it came on, it would stay on for 3-4 seconds then off. Not being too many more parts to replace, I replaced the thermostat. Initially it would cycle fine as the t'stat was adjusted. Now, we're back to the intermittant working and the burner cutting out......HELP!!!!! I'm thinking the only piece left to replace is the burner assembly otherwise one of the new parts are bad
Sounds like a limit switch is tripping.
This appliance is equipped with a manual reset blocked
flue switch designed to protect against a blocked flue condition,
which would cause combustion products to spill back into the
living quarters. NOTE: A partially blocked, inadequate, or
disconnected vent system may not activate the switch.
Discoloration of the grille is an indication of a bad vent. If this
occurs, the vent can be checked by a qualified serviceman using
a draft gauge. After 15 minutes the gauge should read between
-.02 up to -.04 inches w.c. Vent must be checked at the
beginning of each heating season.
Posted on Jan 28, 2009
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Posted on Jan 02, 2017
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