Common failure points include soot buildup on the tip

and corrosion in demanding combustion environments

ensuring a proper fit on 1/2" motor shafts

29" WC (water column)

the internal gears of the PopTop motor are typically stripped

Heil Quaker ICP 1191275 Limit Switch 322838-752 Common failure points include sootThe Heil Quaker ICP 1191275 Limit Switch is a critical OEM replacement part designed for precision thermal monitoring in high efficiency furnace heating cycles. Engineered as an L205F 40 limit switch, this snap action SPST furnace safety control features a fixed set point, opening the circuit at 205? F and closing once the temperature drops by a 40? F differential (165? F). This auto reset high limit switch is essential for protecting the heat