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Lennox G40UH-60C-110X Gas Valve
This valve is the regulator of the gas as it arrives to the main unit. This safety valve is probably ran by the control board attached to your heating and cooling system, if it is equipped with one.
Major indications the main gas valve is going to die
- System refuses to start
- Furnace will not light
- You smell gas
- The valve looks damaged
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