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Trane PTED120 Limit Switch
The limit switch is a type of sensor switch in the heating area that decides when the air is warmed to a point for the main blower to kick in and circulate the air. The reason limit switches exist is because if the air never warms up the you will lose all the heat as the air flows through the ducts.
What warnings should I watch out for to know if my limit switch most likely needs replacing?
- The HVAC system will not begin the ignition sequence or run as it should
- Your system is starting to run inconsistently often
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Before buying or ordering a replacement limit switch for your Trane PTED120 do your best and cross-check the model number and also make a visual comparison so that you are positive that the right limit switch is being ordered. It is easy to replace a limit switch on your Trane PTED120 as long as you have previous experience and possess the time and energy needed to replace it.
Feel free to download your manual for help.
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