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Carrier 38YZA042 Gas Valve
The Carrier 38YZA042 gas valve is the regulator of all of the gas when it enters the air handler system. This safety valve is monitored by the main circuit board attached to your air handler, is it so equipped.
Major indications the gas valve will not last the year
- System refuses to start
- Furnace will not light
- You smell gas
- The valve looks damaged
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Before buying or ordering any Carrier 38YZA042 replacement part, do your due diligence and double check the model number and also make a visual inspection so that you are positive that the right gas valve is the one being purchased. There is no rule that says you have to replace the part all by yourself. Pay a professional in your town or city to replace the part.
Feel free to download your manual for help.
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