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HOME > HVAC > CARRIER > 45-4SI > AIR PRESSURE SWITCH

Carrier 45-4SI Air Pressure Switch

The main function of the air pressure switch is to sense if the blower is doing what it is supposed to do. The air pressure switch is a vital device of the collection of safety devices that is in place to keep you safe from harm. Most air pressure switches are issued with a manual reset feature, which means it will have to be manually reset or else the system will cease to function.

What to Look Out for when the System Pressure Switch is on its Last Leg

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Check eBay to see if your air pressure switch is in stock!
Before you decide on buying or ordering a replacement air pressure switch for your Carrier 45-4SI, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the right air pressure switch is the one being purchased. You do not need to install the replacement part alone. Consult with a professional in your community to pay to install it for you.
Feel free to download your manual for help.
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Check eBay for your air pressure switch!