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RLS Press Fittings

The Trade's Most Trusted Brand

Pros don't take trust lightly.

They trust their tools, their training, and their experience—because every job is a reflection of their reputation. A solid connection and a job done right the first time—that’s what matters most.

That’s why more pros trust RLS press fittings than any other brand.

For over a decade, RLS has set the standard in HVAC press, delivering the reliability, performance, and support that contractors count on. Tested to the highest standards and built for the toughest jobs, RLS fittings give you the confidence to press forward—without second-guessing your connections. Because when it comes to HVAC press, trust isn’t given. It’s earned.

Why Trust RLS?

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Trusted Expertise

Trust the press experts. We are pioneers in press, dedicated to making connections quicker, safer and more reliable. With over a decade of innovation, we have refined our patented PressSure™ System engineered to guarantee durable, leak-proof connections every time.

Trusted performance

Our components feature annealed copper for enhanced durability and reliable connections. The dual-sealing technologies ensure a 360° leak-proof fitting, while the work-hardening process strengthens the copper during pressing, delivering the performance you demand on every job.

Trusted Partnership

We are deeply committed to your success. With a focus on quality and consistency at every touchpoint, our customer-centric approach and dedication to long-term success make us a reliable and trusted partner in the industry and a valuable ally in the growth of your business.

"Never had an issue"

- Chris

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PressSure

HVAC Pressing Technology

The RLS® PressSure™ System is a patented technology that ensures secure, reliable, and long-lasting connections for HVAC and refrigeration systems.

This innovative system utilizes an annealed copper component with dual mechanical and static seals for a 360° leak-proof connection. The unique work-hardening process strengthens the copper during pressing, providing enhanced durability and resistance to pressure fluctuations and vibration over time. With versatile jaw sizes and tool forces, the system offers unmatched flexibility, making it the ideal solution for HVAC professionals to press forward with confidence.

Annealed Copper Components

RLS PressSure™ fittings are heated from 600°F to 1,100°F and then slowly cooled–a process called annealing. This softens the copper, improving its ductility during pressing. Annealing also enhances durability, preventing cracks under pressure and helps the material withstand thermal expansion and contraction. The result is a longer-lasting connection.

Annealed Copper Components

RLS PressSure™ fittings are heated from 600°F to 1,100°F and then slowly cooled–a process called annealing. This softens the copper, improving its ductility during pressing. Annealing also enhances durability, preventing cracks under pressure and helps the material withstand thermal expansion and contraction. The result is a longer-lasting connection.

Annealed Copper Components

RLS PressSure™ fittings are heated from 600°F to 1,100°F and then slowly cooled–a process called annealing. This softens the copper, improving its ductility during pressing. Annealing also enhances durability, preventing cracks under pressure and helps the material withstand thermal expansion and contraction. The result is a longer-lasting connection.

Annealed Copper Components

RLS PressSure™ fittings are heated from 600°F to 1,100°F and then slowly cooled–a process called annealing. This softens the copper, improving its ductility during pressing. Annealing also enhances durability, preventing cracks under pressure and helps the material withstand thermal expansion and contraction. The result is a longer-lasting connection.

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