Lennox 47K19 Defrost Sensor the operational pressure is typically

the operational pressure is typically limited by the core's rating

For veteran technicians and building automation contractors

For technicians performing routine maintenance or troubleshooting Reznor gas-fired unit heaters

Maximum Close-Off: Includes heavy-duty linkage springs designed to maintain tight shut-off even in high-pressure steam or water systems

Designed as a direct fit for York model D2CG036N08225A and similar furnace platforms

Lennox 47K19 Defrost Sensor the operational pressure is typicallyThe Lennox 47K19 Defrost Sensor is a critical OEM replacement part designed for high performance heat pump maintenance. Engineered for residential and commercial HVAC applications, this defrost tube thermostat monitors the temperature of the outdoor evaporator coil to prevent excessive ice accumulation. The 47K19 features a precise tube mount design that ensures accurate thermal feedback, initiating the defrost cycle by closing at 32 F and terminating