Universal Input Flexibility: Field-configurable 4-20mA

ensuring a drop-in fit with zero field modifications required

It provides direct compatibility for Series 51-2

Look for a swollen or bulged top casing

This 1075 RPM furnace motor provides the reliable torque necessary to maintain static pressure and consistent indoor air quality

Lennox 18M40 TXV 322057-301 Universal Input Flexibility: Field-configurable 4-20mAThe Lennox 18M40 TXV is a precision engineered thermostatic expansion valve (TXV) designed for high efficiency refrigerant metering in residential and light commercial HVAC systems. This OEM Lennox replacement part features a 3 8" x 1 2" ODF (Outside Diameter Female) solder connection, ensuring a leak resistant line set interface for technicians. Equipped with a 1 4" external equalizer and a 30 inch capillary tube, the 18M40 provides responsive