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Friedrich MR12Y3H Air Pressure Switch
The function of the pressure switch is to determine whether the blower fan is blowing air. This pressure switch is one of the most crucial safety creations designed to keep your family safe and sound. Some particular air pressure switches are issued with a manual reset feature, from which the switch will have to be manually reset before the HVAC system will continue.
Signs to Look Out for when the HVAC Air Pressure Switch is Starting to Go Bad
- Inaccurate electrical voltage being read.
- HVAC system can not function.
- The set temperature in the house seldom fully attained.
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