Gas and Oil Home Heating Furnaces - Gas furnace has to be toggled multiple times before starting

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txagbq00
12-17-07, 06:05 PM
I have a GMP075-3 gas furnace, a Goodman heat pump and a RiteTemp 8050C thermostat. The furnace and heat pump both work, but the furnace does not always turn on when prompted by the thermostat. When I connect the W2 and RH wires, the furnace sometimes requires tapping the wires together a couple times before it will start up. Is there a basic component I can check that may be responsible for this? Thank you.