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HOME > HVAC > TRANE > PTHD150 > LIMIT SWITCH

Trane PTHD150 Limit Switch

The reason limit switches exist is because if the air never warms up then the house will never get warm enough. A normal limit switch is a type of sensor switch located in the furnace that makes the determination when the heated air is actually warm enough so that it may be pushed through the ducts and out the vents.

What signals that my chief limit switch needs replacing?

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Check eBay to see if your limit switch is in stock!
Before you decide on buying or purchasing, do your due diligence and cross-check the correct model and also make a visual comparison in order to be sure the proper replacement limit switch is being ordered. The installing of the limit switch is a breeze assuming you energy and have the tools to do it right.
Feel free to download your manual for help.
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Check eBay for your limit switch!