Quiet Operation: Precision-balanced internal components reduce harmonic vibration and cabinet noise

The robust diaphragm design is calibrated to prevent nuisance trips while ensuring the vent pressure switch accurately responds to flue obstructions or inducer failure

Reversible Design: Feature-rich V-bolt assembly allows for mounting on either side of the actuator to suit tight mechanical room clearances

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

When replacing a Maxitrol gas regulator

Lennox 18M40 TXV 322057-301 Quiet Operation: Precision-balanced internal componentsThe 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