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Carrier GT-PX Limit Switch
A limit switch was crafted because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch in the air handler that makes the determination if and when the air is actually warm enough to activate the main blower.
Main clues critical limit switch will not live much longer
- System refuses to start or run longer that five minutes
- The Carrier system is beginning to run inconsistently on a regular basis
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If you are going to be buying or ordering any Carrier GT-PX replacement part, do your due diligence and double check the correct model and also make a visual comparison in order to be sure the right limit switch is the one being purchased. HVAC professionals may have higher labor rates than others so it may be beneficial to look around your area to acquire the best rate if money is of great importance to you.
Feel free to download your manual for help.
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