Quote:
Originally Posted by Dewey Cox
Check the leads to the gas valve.
If it's getting 24v during the point in the cycle where the gas valve should open, it's your gas valve. If you're not getting 24v, its something else.
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Even quicker, disconnect wires from the gas valve. apply 24v. if valve opens its your main board, if not its your valve. either way its an easy fix.
Also depending on the wattage of your 240v electric heater your running you may want to hurry. A 7500w heater keeping an insulated garage size building warm will burn through the cash fast.