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International Comfort Products T8MPL100J20B1 Air Pressure Switch
The reason for the existence of this type of switch is to sense whether the air blower is doing what it is supposed to do. This switch is part of all the safety features in today's HVAC systems that is in place to keep you safe from harm. Most air pressure switches have a manual reset feature, which means it would need to be reset before the HVAC system will continue.
How to Know when your Air Pressure Switch is Starting to Fail
- The expected temp is rarely achieved.
- Wrong voltage running through the pressure switch.
- Furnace can not ignite.
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