Lennox 72L34 Expansion Valve 30067439-890 This actuator requires a controller

This actuator requires a controller with time-out logic

contractors typically utilize the UK-48 or H-48 cores which are better suited for higher moisture demands

but you should verify your specific unit's wiring schematic to ensure proper low-voltage terminal alignment

Rated to open at 190

The 30-inch capillary provides enough reach for most standard cabinet or evaporator coil placements

Lennox 72L34 Expansion Valve 30067439-890 This actuator requires a controllerThe Lennox 72L34 Expansion Valve is a precision engineered OEM thermal expansion valve (TXV) designed to regulate refrigerant flow with extreme accuracy. This 3 ton capacity valve is specifically calibrated for use in R 410A and R 22 systems, providing consistent superheat control to prevent liquid slugging and evaporator starvation. Field verified as identical to the Lennox 72L3401, this component features a 3 8 inch suction and 1 4 inch liquid