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International Comfort Products PGAD24D1K5 Air Pressure Switch
The main job of the pressure switch is to figure out if the primary blower is blowing air. A good number of pressure switches today are programmed with a manual reset, which forces the system to be reset physically before the HVAC system will continue. An air pressure switch is one of many other hardware devices made to stop injuries or explosions.
Warning Signs of a Nearly Failed Pressure Switch
- Incorrect voltage reading from the switch.
- Your system doesn't actually get to the right temperature when set by the thermostat.
- The blower will not operate.
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