Lennox 40L64 - Lennox 40L6401PR, Brass Hose Barb with Nut, 3/8" ID Hose x 1/8 NPT
Lennox 40L64, also referenced as Lennox 40L6401PR, is a precision brass hose barb fitting designed for secure and leak resistant connections in HVAC, heating, and general mechanical applications. This fitting features a 3/8 inch inside diameter hose barb on one end and a 1/8 inch NPT male thread on the other, allowing reliable transition between flexible hose and threaded ports.
Manufactured from durable brass, this hose barb with nut provides excellent resistance to corrosion, vibration, and temperature fluctuations commonly found in HVAC systems. The barbed end ensures a tight grip on flexible tubing, while the NPT threaded connection delivers a dependable seal when properly installed. It is commonly used in furnaces, air conditioners, heat pumps, and other HVAC equipment where secure fluid or air flow connections are required.
This genuine Lennox replacement part meets OEM specifications, making it ideal for service replacements, repairs, and new installations. Contractors and technicians rely on Lennox fittings for consistent quality, precise fitment, and long term performance in demanding environments.
Product overview
The Lennox 40L64 brass hose barb fitting connects 3/8 inch ID hose to 1/8 inch NPT threaded ports, providing a strong and reliable connection for HVAC and mechanical systems.
Key features
• Genuine Lennox OEM replacement part
• Brass construction for durability and corrosion resistance
• 3/8 inch ID hose barb x 1/8 inch NPT male thread
• Secure hose retention and dependable threaded seal
• Suitable for HVAC, furnace, and air conditioning applications
Applications
• Furnaces and air handlers
• Air conditioning and heat pump systems
• HVAC service and repair installations
• General mechanical and fluid transfer connections
This Lennox 40L64 brass hose barb with nut is an excellent choice when reliability, precise fit, and OEM quality are required for HVAC system performance and safety.