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Friedrich MR12C1H Air Pressure Switch
The main job of the air pressure switch is to sense if the blower fan is actually running. The majority of pressure switches are equipped with a manual reset feature, by which you must manually reset it or the whole HVAC system will not continue operation. The air pressure switch is a very critical piece of all the safety features in today's HVAC systems in place to keep you safe and keep your family safe.
How is it Known when your Air Pressure Switch is Beginning to Go
- Your furnace won't ignite the gas.
- The right temperature is almost never attained.
- Bad volt being read from the pressure switch.
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