The 33247 is a standard SPDT 1 & 3 N

the internal gears of the PopTop motor are typically stripped

29" WC (water column)

this specific cartridge is strictly an electrochemical sensor for Oxygen (O2)

and corrosion in demanding combustion environments

Heil Quaker ICP 1191275 Limit Switch 322838-752 The 33247 is a standardThe 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