The sleeve is a color-coded identifier for specific temperature ratings used by technicians to verify the correct limit range during service

Ensuring the correct hot surface ignitor voltage and mounting alignment is essential for system longevity and safe operation

C) acts as a high-limit safety cutoff

Non-Linting Design: Features an aerated pilot flow that prevents debris buildup

Whether you are performing a mid-season teardown or a standard maintenance overhaul

Lennox 13H27 Electrode/Sensor The sleeve is a color-codedThe Lennox 13H27 Electrode Sensor is a critical OEM flame sensor replacement designed for high performance monitoring in residential and commercial heating cycles. This component is identical to part number 13H2701, providing a direct fit solution for technicians servicing Lennox GCS16 and GCS20 series units. Constructed with a high grade stainless steel electrode and lead oxide insulation, it effectively detects flame ionization to ensure the