Its robust blue encapsulation protects the internal windings against high humidity and temperature fluctuations common in heavy-duty refrigeration systems

Specifically designed as a 24V heat sequencer

forcing a technician to inspect the venting system before a restart

the 125-degree thermal limit switch prevents catastrophic component failure

Engineered for the Nordyne Miller residential line

Lennox 97M60 Defrost Sensor Its robust blue encapsulation protectsThe Lennox 97M60 Defrost Sensor is a critical OEM replacement part designed for high performance heat pump defrost control. Also identified by part number 97M6001 or Lennox 100503 03, this SPST defrost thermostat sensor is engineered to monitor coil temperatures with precision. It features a specific thermal profile, typically opening at 70 degrees F and closing at 42 degrees F, to initiate the defrost cycle only when necessary. This prevents ice