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International Comfort Products TCH442AKA1 Air Pressure Switch
The actual job of the pressure switch is to sense if the blower is running properly. A good number of pressure switches today are designed with a reset that is manual instead of automatic, which means you have to physically reset it in order for the HVAC system to continue running. An air pressure switch is just one of the many indispensable safety creations designed to stop injuries or explosions.
Signs to Look Out for when your Pressure Switch is Starting to Go
- The right temp is almost never reached.
- Furnace refuses ignite the gas.
- Wrong voltage reading.
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