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Mitsubishi PCA-A42KA Air Pressure Switch
The function of the switch is to see if the primary air circulator is on and running. Various air pressure switches are designed with a reset that is manual instead of automatic, from which the switch will have to be manually reset or the entire system will not run. This is just one of the many indispensable aspects of the whole safety system that is intended to keep you from harm.
Precursors that the Pressure Switch is Beginning to Fail
- Furnace will not operate.
- The desired temperature is almost never attained.
- Bad electrical voltage being read from the pressure switch.
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If you are going to be buying or ordering a replacement air pressure switch for your Mitsubishi PCA-A42KA, do your due diligence and double check the correct model and also make a visual comparison in order to be sure the correct replacement air pressure switch is being ordered. Replacing the air pressure switch is a piece of cake provided you have the time and have the tools to get it done.
Feel free to download your manual for help.
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