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International Comfort Products GPFM48H080F Air Pressure Switch
The main job of the pressure switch is to determine whether or not the blower is running properly. A lot of switches are constructed with a manual reset, which makes you reset it by hand before the entire HVAC system will continue operating again. This is part of a small, but important collection of safety creations designed to keep you safe.
Evidence of a Rapidly Declining Pressure Switch
- The correct indoor temperature seldom fully achieved.
- Incorrect voltage being read from the pressure switch.
- The furnace or AC is unable to run.
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