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Carrier 39-3SI Gas Valve
A gas valve governs the gas as it comes into the heating and cooling system. This important valve is most likely operated by the main circuit board on your system, if present.
Major warnings the main gas valve will soon need to be replaced
- Furnace will not light
- System refuses to start
- You smell gas
- The valve looks damaged
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Before buying or ordering any Carrier 39-3SI replacement part do your best and make sure of the correct model and also make a visual comparison so that you are positive that the right gas valve is being ordered. Installation of a new gas valve is a piece of cake if you possess the knowledge and have the tools to get it done.
Feel free to download your manual for help.
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