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Heat Controller SMA 12 Air Pressure Switch
The main function of this type of switch is to sense whether the primary blower is on and running. The air pressure switch is a vital device of the safety system that is in place to keep you safe and keep your family safe. Some different switches are programmed with a manual reset, which, of course, means that it would have to be reset by hand before the system will continue its normal operation.
Signs to Look Out for when your Pressure Switch is Starting to Go
- The blower fan is unable to run.
- Inaccurate voltage being read from the pressure switch.
- Your system doesn't reach desired temperature as set by the thermostat.
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