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Lennox HP13-018 Limit Switch
The limit switch is a switch in the air handler that senses, or governs, if and when the air is warm enough for the air to begin normal home circulation. Limit switches were created because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
Clues to watch for to know limit switch has little life left
- Your system starts to erratically often
- Your Lennox system is unable to start nor will it stay running even though max temp has not been reached
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If you are going to be buying or purchasing any Lennox HP13-018 replacement part do your best and make sure of the model number as well as make a visual inspection in order to be sure the correct limit switch is being ordered. HVAC professionals may charge higher prices than others so it is best to shop around to acquire the best rate if you want to pay bottom dollar.
Feel free to download your manual for help.
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