Lennox and Iron Strike Proof of Fire Low Limit Snap Switch
Genuine OEM Iron Strike and Lennox (IHP) replacement ceramic P.O.F low limit switch. Often referred to as the Proof of Fire switch, limit switch, snap disc, or Therm-O-Disc. This is a 140 degree ceramic P.O.F switch that will mount on the exhaust motor housing for the specified Iron Strike and Lennox pellet stove models. IHP part numbers 32078 and H5887. The Proof of Fire Switch detects the heat during start-up causing the switch to close allowing the auger feed motor to operate in normal operation. When the stove is shut down or runs out of pellet, this switch will automatically re-open when it reaches 120 degrees Fahrenheit. If your stove is not feeding pellets after the start-up cycle or if your exhaust fan continues to run when the stove is off and cool, we would recommend inspecting/replacing this safety snap switch limit disc.
Genuine OEM Replacement
140F Ceramic Thermodisk, Low Limit Switch Assembly
Available By Special Order Only
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