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This 100-250F auto limit switch features an automatic reset mechanism
reducing the risk of terminal stress or mechanical failure often associated with improper fitment of generic parts
preventing compressor operation under unsafe conditions
Industrial-Grade Build: Designed to withstand the thermal cycling common in outdoor condenser units and furnace cabinets
including boilers
Lennox 15M43 Rollout Switch This 100-250F auto limit switchThe Lennox 15M43 Rollout Switch is a critical flame rollout safety switch designed for Lennox furnace repair and maintenance. Engineered to actuate at 270 degrees Fahrenheit (with a + 12 F tolerance), this OEM replacement part monitors for abnormal heat conditions in the burner compartment. As an SPST furnace switch (Single Pole Single Throw), it effectively opens the electrical circuit to the gas valve when temperatures exceed its calibrated