Lennox 39W70 Expansion Valve 319847-401 Field Adjustable: Mechanical adjustment screw

Field Adjustable: Mechanical adjustment screw allows for on-site calibration to meet specific GPM (Gallons Per Minute) requirements

Exceptional Buoyancy: The 8-inch diameter (C8 series) provides high displacement for heavy mechanical valve shut-offs

you know that a reliable Heil Quaker ICP 1065293 Limit Switch is the first line of defense against heat exchanger fatigue and unsafe operating conditions

The Carrier HN61KL604 Relay is a heavy-duty

Key Benefits for the Technician Dual Integrated 60A Breakers: Provides a convenient localized unit disconnect and circuit protection for internal 20kW components

Lennox 39W70 Expansion Valve 319847-401 Field Adjustable: Mechanical adjustment screwThe Lennox 39W70 Expansion Valve is a critical OEM replacement part designed for precise refrigerant flow control in high performance HVACR systems. Engineered for compatibility with Lennox G43 series GreenHeat and G52 GreenVent heat pumps, this thermostatic expansion valve (TXV) ensures optimal superheat maintenance across varying load conditions. For technicians servicing residential air conditioning or commercial refrigeration units, the 39W70 is