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International Comfort Products PHF048K000A Air Pressure Switch
The main function of an air pressure type switch is to sense if the blower is blowing air. This switch is an important part of all the safety features in today's HVAC systems that is in place to keep you safe from any injuries. A lot of switches may have a manual reset, which means it would need to be reset or else the system will cease to function.
Warning Signs that the Switch is Starting to Fail
- The right temp is hardly ever fully attained.
- Your furnace can not operate at all.
- Bad voltage being used by the switch.
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