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Lennox XC21 Gas Valve
The Lennox XC21 gas valve regulates the gas as it comes into the heating unit. This gas valve is commanded by your control board on your system, if equipped.
What warnings are present when my gas valve has a need to be replaced?
- The valve looks damaged
- Furnace will not light
- System refuses to start
- You smell gas
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Before buying or ordering do your best and make sure of the model number as well as make a visual comparison so that you are positive that the correct replacement gas valve is the one being purchased. Once you have the part to install it yourself. Hire a pro in your town or city to pay to install it for you.
Feel free to download your manual for help.
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