Lennox 28J89 MAXIPRO Long Repair Coupler 3/4 inch is a professional-grade refrigeration fitting designed for fast, reliable repairs in HVAC and refrigeration systems. This long repair coupler is ideal for situations where damaged or cut copper tubing must be reconnected without replacing long line sets, saving time, labor, and material costs on the job.

Manufactured as part of the MAXIPRO press fitting system, this 3/4 inch long repair coupler allows for flame-free installation using approved press tools, making it a safer alternative to traditional brazing. The extended length provides additional engagement on both sides of the pipe, ensuring a secure, leak-resistant connection even in challenging repair scenarios. It is suitable for use with common HVAC refrigerants, including R-410A and R-32, and is compatible with standard 3/4 inch copper tubing.

Each pack includes two long repair couplers, making it a convenient option for service technicians, contractors, and maintenance professionals who need dependable fittings readily available in their service inventory. The durable construction and precision design help ensure long-term performance in residential and light commercial HVAC applications.

 

Key features and benefits

• Long repair design ideal for fixing damaged or shortened copper lines
• Flame-free press connection improves safety and reduces installation time
• Compatible with MAXIPRO press tools and 3/4 inch copper tubing
• Suitable for high-pressure HVAC refrigerants
• Supplied as a 2 pack for added convenience and value

 

The Lennox 28J89 MAXIPRO Long Repair Coupler 3/4 inch is a reliable solution for efficient HVAC line set repairs, delivering professional results with minimal downtime and consistent leak-free performance.