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Lennox G40UH-36B-090 Gas Valve
This safety valve is controlled by the main control board that is coupled to your system, if you have one. The Lennox G40UH-36B-090 gas valve regulates the flow all of the gas as it comes into the air handler system.
Subtle hints the main gas valve is failing
- You smell gas
- Furnace will not light
- System refuses to start
- The valve looks damaged
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Before you decide on buying or purchasing any Lennox G40UH-36B-090 replacement part do your best and double check the correct model and also make a visual inspection so that you are positive that the correct gas valve is being ordered. There is no rule that says you have to replace the part all by yourself. Look for a professional in your community to hire and install the part for you.
Feel free to download your manual for help.
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