Question about Heating & Cooling
If you can jump it (bypassing the switch) and it operates correctly, then yes. It is either the switch, the wires leading to the switch, or a loose connection of the wires on the switch or valve.
Posted on Nov 30, 2012
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Posted on Jan 02, 2017
Sounds like one of your limit switches lost it's wire. Look for a disc like device no more bigger then a 50 piece. You will see two wires going to that and if the wire broke take off the insulation and install new plastic sheath and re-attach. Let me know it that is helpful. ken
Posted on Nov 26, 2008
The low voltage wiring and the thermostat has noting to do with the pilot function of the wall furnace, check to see if when you have the pilot lit manually, while holding the button in does the flame impinge on the thermocouple and does the flame try to wrap around the thermocouple? if not the thermocouple and pilot flame need to be adjusted so that it impinges on the TC, if it does have a good flame impingment, then you probably have a bad TC from the factory, call them and have them send you a new one if still under warrenty.
Posted on Jan 20, 2009
SOURCE: Williams wall furnace, top vent.
I've replaced a Williams wall gas heater non-electric. The thermostat is connected right and mounted on the wall. But, there's a thick black copper wire on the side of the furnace tagged thermostat. I don't know what to do with it? Where do you connect this wire? When it touches the top screw of the three screws running vertically(where the other wires are connected). The burner lights up and stays on, even if you play with the wall thermostat. Touching the other two screws doesn't do anything. Now, the manual talks about connecting it to the venting wires? Extra wires coming from the top or maybe somewhere else in the wall? I've left it connected to the first screw, ran the heater. But, it never turns off? Any suggestions? Thanks
Posted on Feb 23, 2008
If thermopile generates 700mv...the stat is ok and no open limit then it is bad valve...touch the 2 thermopile leads direct t TH and PP on valve to bypass limit and stat...if it works direct...then a limit or stat is open
Posted on May 11, 2010
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