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Gmp100-3 gas valve not opening
Furance stop working blower start, igniter glows gas valve doesn't open igniter goes off. Furnace stops running. I've tried connecting red and white wires from thermostat, replaced circuit board, and jumpered limit switches.the lead from pin #7 on circuit board reads 24v when ignitor glows.m thinking it's the gas valve. I'm I headed in the right direction?
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