Lennox 19V39 is a genuine OEM 3/4 inch x 3/4 inch ball valve designed for reliable flow control and shut-off in HVAC and refrigeration systems. Manufactured to Lennox factory specifications, this valve provides smooth quarter-turn operation and dependable sealing, making it ideal for gas, air, or liquid applications commonly found in residential and light commercial HVAC equipment.

Constructed from durable brass, the Lennox 19V39 ball valve is built to withstand frequent operation and long-term service conditions. It is commonly used in Lennox furnaces, air conditioners, and related HVAC piping where precise flow isolation is required for servicing or system maintenance. Using an OEM Lennox valve ensures proper fitment, system compatibility, and long-term reliability compared to generic alternatives.

This valve is supplied as a direct replacement for Lennox part number 19V39 and manufacturer number 104519-01, making it a trusted choice for HVAC contractors, service technicians, and maintenance professionals who require factory-approved components.

 

Product Overview:

 

• Genuine OEM Lennox replacement ball valve
• Designed for HVAC gas, air, or fluid flow control applications
• Quarter-turn operation for fast and positive shut-off
• Brass construction for durability and corrosion resistance
• Direct replacement for Lennox systems requiring a 3/4 in valve

 

Specifications:

 

• Brand: Lennox
• Part Number: 19V39
• Manufacturer Number: 104519-01
• Valve Type: Ball Valve
• Connection Size: 3/4 in x 3/4 in
• Connection Type: Threaded (FNPT)
• Body Material: Brass
• Operation: Manual, quarter-turn
• Application: HVAC / Refrigeration systems