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International Comfort Products PGMD36H090C Air Pressure Switch
The main job of this type of switch is to sense if the blower fan is on and running. An air pressure switch is one of the key safety creations designed to keep everyone in the house safe. Various air pressure switches are issued with a manual reset feature, which makes you reset it by hand in order for the HVAC system to continue running.
Signs that the Pressure Switch is Needing to be Replaced
- Incorrect voltage range running through the switch.
- Furnace can't operate at all.
- HVAC system does not achieve the desired temp according to the settings on the thermostat.
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