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Lennox XC21-060 Gas Valve
The main job of a gas valve is that it controls the flow of the gas when it enters the furnace. This gas valve is commanded by the main control board attached to your air handler, if it is equipped with one.
Simple warnings that your gas valve is not working right?
- The valve looks damaged
- Furnace will not light
- You smell gas
- System refuses to start
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