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Carrier 48GP042090300 Air Pressure Switch
The actual job of this type of switch is to figure out if the main blower is blowing air. A good number of pressure switches today may have a reset feature that is manual, which means it will have to be manually reset 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.
How do you Know when your Pressure Switch is Starting to Fail
- Your furnace is unable to ignite the gas.
- Inaccurate electrical voltage being read from the pressure switch.
- The set indoor temperature is almost never reached.
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