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and HC-1/2/3 dispensing units
automatic-reset safety control engineered for furnace overheat protection
This PTC starter is intended for systems originally designed for PTC technology
this part fits various Nortek-branded units
Lennox 15M43 Rollout Switch and HC-1/2/3 dispensing unitsThe 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
