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Lennox G40UH Gas Valve
This gas valve is ran by the control board on your system, if it is equipped with one. A gas valve controls the flow of the natural gas as it streams into the system.
What are some indications that my main gas valve is on its last leg?
- Furnace will not light
- You smell gas
- The valve looks damaged
- System refuses to start
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Before buying or purchasing, do your due diligence and cross-check the model number as well as make a visual inspection in order to be sure the right gas valve is the one being purchased. Replacing the gas valve is a breeze assuming you have the know-how and have the proper tools to get it done.
Feel free to download your manual for help.
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