Lennoxennox 22K92 - Cerroset 614203560009, 3/8"L x 7/8"S x 1/2" Wall x 35', Black Shield Insulated Lineset, Plain End, Black

 

Lennox 22K92 – Cerroset 614203560009 Black Shield Insulated Lineset is a high-quality refrigeration tubing assembly designed for reliable performance in residential and light commercial HVAC applications. This 35-foot insulated copper lineset features a 3/8 inch liquid line and a 7/8 inch suction line with a durable 1/2 inch wall thickness, providing excellent thermal insulation and protection against energy loss.

Manufactured by Cerroset, this Black Shield insulated lineset is engineered for long service life and consistent refrigerant flow in air conditioning and heat pump systems. The black UV-resistant insulation helps protect the tubing from sunlight exposure, moisture, and jobsite wear, making it suitable for both indoor and outdoor installations. Plain (unflared) ends allow installers to cut, braze, or flare the tubing as needed for a precise fit.

This Lennox-approved insulated lineset is commonly used in split system installations and replacements where proper line sizing and insulation are critical for system efficiency, capacity, and compressor protection. The pre-insulated design reduces installation time while maintaining compliance with HVAC best practices.

 

Key features and specifications:

• Lennox part number: 22K92
• Manufacturer part number: Cerroset 614203560009
• Line sizes: 3/8 inch liquid line x 7/8 inch suction line
• Insulation wall thickness: 1/2 inch
• Total length: 35 feet
• Color: Black (Black Shield insulation)
• Ends: Plain (unflared)

• Application:

 

Air conditioning and heat pump refrigeration lines

This Lennox 22K92 Black Shield insulated lineset is an ideal choice for contractors and HVAC professionals seeking dependable copper tubing with robust insulation for efficient, long-lasting system operation. Suitable for new installations, replacements, and system upgrades where precise refrigerant line sizing is required.