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

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

the tips can be trimmed with a razor knife during installation to ensure a perfect clearance without binding

C) acts as a high-limit safety cutoff

The Ranco 1309007-045 Sensor is a critical NTC thermistor engineered specifically for seamless integration with ERC2 Series Controllers

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