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Trane PTHD070 Limit Switch
The limit switch contains a sensor in the air handler that can determine when the air is warm enough for the blower to be activated. This is important because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Major symptoms of a barely functioning main limit switch
- The heating and cooling system refuses to kick in nor will it stay running longer that five minutes
- Your system starts to runs spotty repeatedly
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Before you decide on buying or ordering a replacement limit switch for your Trane PTHD070 do your best and cross-check the model number as well as make a visual comparison in order to be sure the proper replacement limit switch is being ordered. The installing of a new limit switch is a breeze provided you have the know-how and have the proper tools to do it right.
Feel free to download your manual for help.
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