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Carrier FX4BNF042000 Gas Valve
This critical valve is most likely operated by the main control unit attached to your air handler, if you have one. This valve governs the gas when it enters the heating unit.
How can I tell if my gas valve is in need of replacing?
- Furnace will not light
- You smell gas
- System refuses to start
- The valve looks damaged
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Before buying or purchasing, do your due diligence and double check the model number as well as make a visual comparison in order to be sure the correct gas valve is being ordered. There is no rule that says you have to install the replacement part alone. Search for a pro in your town or city to replace the part.
Feel free to download your manual for help.
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