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Carrier 48XZ036060300 Air Pressure Switch
The function of an air pressure type switch is to sense if the blower fan is on and running. The vast majority of pressure switches made today are designed with a reset that is manual instead of automatic, from which the switch will have to be manually reset before the HVAC system will continue. This is just one of many devices designed to keep everyone in the house safe.
Warning Signs that the Switch is Starting to Go Bad
- The right indoor temperature is rarely fully achieved.
- Inaccurate electrical voltage running through the switch.
- Furnace refuses operate at all.
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