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Lennox G40UH-48B-090 Gas Valve
This safety valve is ran by the main control board which is affixed to the main HVAC system, is it so equipped. The Lennox G40UH-48B-090 gas valve governs all of the gas entering the main unit.
Subtle hints the main gas valve will need replacing
- System refuses to start
- Furnace will not light
- The valve looks damaged
- You smell gas
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Before you decide on buying or ordering any Lennox G40UH-48B-090 replacement part, do your due diligence and double check the correct model and also make a visual inspection so that you are positive that the correct replacement gas valve is the one being purchased. There is no need to replace the part all by yourself. Look for a professional in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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