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International Comfort Products GDL125N20A2 Air Pressure Switch
The function of the air pressure switch is to sense if the primary blower is circulating the air as it should. This is just one of many facets of the HVAC safety checks that are dedicated to stop injuries or explosions. A good number of pressure switches today are programmed with a manual reset, which means you have to physically reset it before the HVAC system will continue.
What to Look for when your Pressure Switch is About to go Bad
- Wrong voltage being used by the switch.
- The set temperature is hardly ever reached.
- The furnace or AC will not operate properly.
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