The Lennox 29P93 K-Flex 6RX038218 insulation tube delivers reliable thermal insulation performance for HVAC applications. Designed to minimize heat loss and condensation on refrigerant lines, this high-quality black insulation tube improves system efficiency and energy savings. With a 6 foot length and 2-1/8 inch inside diameter (ID), this section fits a wide range of residential and commercial refrigerant lines. The 3/8 inch wall thickness provides durable insulation while maintaining flexibility for easy installation around bends and tight spaces.

Manufactured from closed-cell elastomeric foam, this insulation tube resists moisture absorption and helps control condensation on chilled lines. The black finish is UV resistant and suitable for exposed installations in mechanical rooms, basements, rooftops, and ductwork areas. Each carton includes 16 pieces, providing ample coverage for multiple jobs or larger installations.

This Lennox insulation tube is ideal for HVAC technicians, mechanical contractors, and maintenance professionals looking to prevent energy waste, reduce operating costs, and maintain optimal system performance. Use with split systems, air handlers, chillers, and refrigeration piping. Compatible with standard copper, aluminum, and steel refrigerant lines.

 

Typical Applications:

• Insulation for refrigeration and air conditioning refrigerant piping
• Protection against condensation and moisture buildup
• Thermal efficiency improvement on cold and suction lines
• New installations or retrofit projects

 

Key Features:

• 6 foot length insulation tube, 2-1/8 inch ID, 3/8 inch wall thickness
• Black closed-cell elastomeric foam for moisture and condensation control
• Flexible and easy to install around bends and fittings
• UV resistant finish for exposed applications
• 16 pieces per carton for jobsite convenience

 

Technical Specifications:

Manufacturer Part Number: 6RX038218
Compatible With: Refrigerant lines 2-1/8 inch diameter
Material: Closed-cell elastomeric foam
Color: Black
Length: 6 feet
Wall Thickness: 3/8 inch
Carton Quantity: 16

Ideal for HVAC professionals, contractors, builders, and maintenance crews seeking dependable insulation that enhances system efficiency and reduces energy costs.