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International Comfort Products H9MPT050F12A1 Air Pressure Switch
The function of the switch is to determine whether the primary blower is doing what it is supposed to do. This pressure switch is a very critical piece of all the safety features in today's HVAC systems that is in place to keep you safe from harm. A lot of switches are equipped with a manual reset feature, which means it would need to be reset or the whole HVAC system will not continue operation.
How do you Know when your Air Pressure Switch has Failed
- The desired temp is rarely attained.
- Wrong electrical voltage being used by the switch.
- The blower fan will not run.
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