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jbickmann 10-22-2009 07:31 PM

Weather King Furnace Not Working
My weather furnace is not working anymore. it was working fine last week and now nothing. When troubleshooting I have determined the following:

The thermocouple is brand new, the pilot less ignition is working, (the pilot lights automatically when the power to the furnace is turned on) the blower works when set to "on" at the thermostat. When I call for heat at the thermostat it clicks as it always has to send a signal to the furnace. What next?


Plumber101 10-22-2009 07:53 PM

Sounds like you are having a gas valve sticking

Make a call for heat, let the pilot lite and then stand to the side of the furnace and take a screw driver and lightly tap on the gas valve and see if it opens.

If it does replace the GV

If it does not take a volt meter, set meter to AC, one lead to furnace case and the other lead to the wires going to the gas valve. Voltage should be 24 Vac on both terminals

If you dont have 24 vac on both terminals disconnect power to furnace, remove wires to gas valve and measure the resistance between the two terminals

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