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Carrier 38HDL018 Limit Switch
A normal limit switch is a switch located in the furnace that decides when the air is actually warm enough for the main blower to kick in and circulate the air. A limit switch was crafted because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Key indicators that my limit switch is almost going bad?
- System will not start or will not stay running even though max temp has not been reached
- Your system begins to go through the startup sequence but stops quickly time after time
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If you decide on picking up or ordering any Carrier 38HDL018 replacement part do your best and double check the correct model and also make a visual comparison so that you are positive that the correct replacement limit switch is being ordered. You do not have to install it yourself. Hire someone with experience in your community to do the job for you.
Feel free to download your manual for help.
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