Lennox 56J19 Thermal Expansion Valve Kit 1.5-3 Ton R-22

The Lennox 56J19 is a genuine OEM thermal expansion valve (TXV) kit designed for residential and light-commercial HVAC systems with capacities ranging from 1.5 to 3 tons. This precision metering device regulates refrigerant flow based on evaporator coil temperature, ensuring optimal cooling performance while preventing liquid refrigerant from entering the compressor.

Key Features:

• Compatible with R-22 and R-407C refrigerants
• Manufactured by Parker (Model HCE) for Lennox
• Non-bleed design with VX100A charge/MOP
• 18-inch capillary tube length for flexible installation
• Flare inlet and outlet connections
• External equalizer tube configuration

Complete Kit Includes:

• Thermal expansion valve assembly
• Mounting bracket for sensing bulb
• Two teflon seal rings
• Two brass machine screws and square nuts
• Installation instructions

This valve provides precise control over refrigerant levels to maintain proper cooling capacity across varying load conditions, optimizing system efficiency and protecting critical components. Replaces part numbers: 56J1901, 37J69, 37J6901, and LB-85759F.