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Trane TTY048B100A0 Limit Switch
A normal limit switch contains a sensor in the heating area that decides if and when the air is warmed to a point to activate the main blower. Limit switches were created due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Major symptoms limit type switch will soon need to be replaced
- The heating and AC system refuses to start or will not stay running longer than 30 seconds
- The HVAC system begins to run erratically more often than not
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Before buying or ordering any Trane TTY048B100A0 replacement part, do your due diligence and cross-check the correct model as well as make a visual inspection so that you are positive that the correct limit switch is the one being purchased. If you are unsure about the installation of the new limit switch on your own then it is probably best to contact a professional to do the work for you.
Feel free to download your manual for help.
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