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International Comfort Products C8MPL125J20B1 Air Pressure Switch
The primary function of the pressure switch is to determine whether or not the blower fan is doing what it is supposed to do. An air pressure switch is one of many other mechanisms designed to keep your family safe and sound. The vast majority of pressure switches made today are equipped with a manual reset feature, which, of course, means that it would have to be reset by hand in order for the HVAC system to continue running.
Clues that your Pressure Switch is Starting to Go
- Furnace can't operate at all.
- Inaccurate voltage range reading from the switch.
- The set temperature is rarely attained.
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