Question about Williams Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: How to reset vent safety switch
the reset is at the top left side of the furnace. take the cover off n press the red button. the switch could be failing but CHECK drafting through the furnace. hold a flame at the top of the furnace n make sure its pulling inward. u could have a blocked vent pipe or vent cap which will cause excessive heat n tip the safety switch. good luck!
Posted on Nov 24, 2009
Hi, this heater doesn't have a thermocouple, it uses a pilot generator which is more reliable so I doubt you need to change it out. First thing to check is that you have a clean "sharp" blue pilot, you should be able to hear it quietly roar. If it is yellow and appears "soft", the pilot need to be cleaned. The easiest way is to use a straw or tubing of some sort to blow into the pilot, gently tapping the pilot assembly. That should clean it up and heat the pilot generator properly. Tighten the the screw terminals at the control valve to assure good electrical connections and last but not least turn off the thermostat until you get a standing pilot. Good luck and stay warm.
Posted on Jan 13, 2010
It's a burner control problem. It maybe a defect on some protective devices (pressure switch, fire detector, etc.), a blown fuse, or a board defect (busted DC supply transformer, relays, or electronic devices).
Posted on Nov 13, 2012
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