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Trane PTED150 Limit Switch
The limit switch is a switch in the air handler that makes the determination if and when the air is warm enough for the main blower to kick in and circulate the air. Limit switches exist because if the air never warms up then you will never get hot air through the ducts.
Major signs limit switch is going out
- The whole system is beginning to shut down unexpectedly on a regular basis
- Your Trane system will not even start nor will it stay running for any significant length if time
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If you are going to be buying or purchasing any Trane PTED150 part do your best and cross-check the model number and also make a visual inspection in order to be sure the correct replacement limit switch is being ordered. Replacing the limit switch is a piece of cake assuming you energy and have the tools to get it done.
Feel free to download your manual for help.
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