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International Comfort Products CHP042AKA1 Air Pressure Switch
The actual job of the air pressure switch is to determine whether or not the primary air circulator is actually running. An air pressure switch is one of many other facets of the HVAC safety checks that are dedicated to keep you safe. Some pressure switches are designed with a reset that is manual instead of automatic, from which it would have to be reset manually in order for the system to begin normal operations again.
Symptoms that your Switch is Starting to Go
- Bad voltage reading from the switch.
- The proper temperature in the house is never attained.
- The blower fan can not run correctly.
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