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International Comfort Products PGMD24G0406 Air Pressure Switch
The main job of the pressure switch is to determine whether the blower is on and running. Some pressure switches are designed with a reset that is manual instead of automatic, from which it would have to be reset manually or the whole HVAC system will not continue operation. An air pressure switch is part of a small, but important collection of safety creations designed to stop injuries or explosions.
How do you Know when the Switch is Beginning to Fail
- Wrong voltage being used by the switch.
- Your heating and cooling system is unable to operate.
- The expected temperature is rarely reached.
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