Lennox 79J75 Thermostatic Expansion Valve 3/8" x 1/2" Sweat

The Lennox 79J75 is a thermostatic expansion valve (TXV) designed for HVAC refrigeration systems. This valve regulates refrigerant flow into the evaporator coil, ensuring optimal system performance and efficiency by maintaining proper superheat levels.

Key Specifications:

• Inlet connection: 3/8 inch sweat (copper solder)
• Outlet connection: 1/2 inch sweat (copper solder)
• Equalizer type: External equalizer configuration
• Designed for use in Lennox heating and cooling equipment
• Precision metering element for consistent refrigerant control

This OEM replacement component is engineered to meet Lennox quality standards and helps maintain proper refrigerant metering in air conditioning and heat pump systems. The external equalizer design allows for accurate pressure sensing, making it suitable for systems with significant evaporator pressure drops.