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Lennox 12CHP030 Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that senses, or governs, if and when the air is actually warm enough to activate the main blower. The reason limit switches exist is due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough.
Clues limit switch will not live much longer
- The heating and cooling system will not start or will not stay running even though max temp has not been reached
- Your system starts to go through the startup sequence but stops quickly more often than not
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Before buying or purchasing a replacement limit switch for your Lennox 12CHP030 do your best and double check the model number and also make a visual inspection in order to be sure the correct replacement limit switch is being ordered. You do not need to replace the part all by yourself. Pay a professional in your area to do the job for you.
Feel free to download your manual for help.
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