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Trane TTZ048A100A1 Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that determines if and when the air is actually warm enough to activate the main blower. A limit switch was crafted due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts.
Hints of an unhealthy main limit switch
- The HVAC system will not begin the ignition sequence nor will it stay running longer than 10 minutes
- The HVAC system is starting to erratically more than once
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Before you decide on buying or ordering a new Trane TTZ048A100A1 replacement part, do your due diligence and make sure of the correct model and also make a visual inspection in order to be sure the proper replacement limit switch is the one being purchased. There is no rule that says you have to install it yourself. Hire a pro in your community to do it for you.
Feel free to download your manual for help.
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