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Category: Limit Switches

Date:April 11, 2015Posted By:Dave KeithCategory:furnace maintenance, HVAC, Limit Switches

What is a limit switch?

And why does it shut off my furnace? Written April 25, 2011, updated March 9, 2015, moved to WordPress Nov 21, 2019 What is a limit switch and why does it shut off my furnace? Trane SWT 01635 thermal limit switch, The limit switch is a small, silver bi-metal disc about the size of a dime or quarter…

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