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Carrier 38YKC042 Air Pressure Switch
The main function of the pressure switch is to see if the main blower is blowing air. A good number of pressure switches today are designed with a reset that is manual instead of automatic, which means it will have to be manually reset in order for the HVAC system to continue running. This switch is a very critical piece of the safety system in place to keep you safe from harm.
How to Know when the Switch has Failed
- The expected temperature indoors is hardly ever achieved.
- Wrong electrical voltage being read.
- The furnace is unable to ignite the gas.
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If you decide on picking up or ordering a new Carrier 38YKC042 replacement part do your best and make sure of the correct model and also make a visual inspection so that you are positive that the proper replacement air pressure switch is being ordered. It is easy to replace a air pressure switch on your Carrier 38YKC042 so long as you have previous experience and have the proper tools to replace it.
Feel free to download your manual for help.
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