Lennox 23M20 Temp Sensor 320788-704 63-inch body diameter

63-inch body diameter

The Lennox 56W19 Ignition Control Board

and System 450 modules ensures a direct-fit replacement

Operating as a normally closed (NC) 24V thermal actuator

which are common HVAC pressure switch problems in high-efficiency units

Lennox 23M20 Temp Sensor 320788-704 63-inch body diameterEngineered for high precision environmental control, the Lennox 23M20 is a commercial grade averaging zone sensor kit designed to provide stable temperature data to Prodigy and CORE Unit Controllers. This wall mounted, non communicating solution utilizes a 22k NTC thermistor to eliminate hot and cold spots in large open plan spaces or multi zone environments. Operating within a 40F to 95F range, the Lennox 23M20 Temp Sensor maintains an impressive