Complete Press Solutions for HVAC/R Pros

RLS offers a complete line of flame-free press fittings, tools, jaws, and ancillary products—all designed to meet the demands of modern HVAC and refrigeration installs. At the heart of our system is PressSure™ Technology, a patented method that ensures secure, reliable, and long-lasting connections for HVAC and refrigeration systems.

Trusted for a decade in over 20 million installations—RLS delivers clean, consistent joints that hold up in even the most demanding environments, including those using A2L refrigerants. From new construction to retrofits, and from ¼” to 2-⅛”, we help you install faster, avoid hot work, and press forward with confidence.

Explore our product lines below or download our entire catalog.

Fittings

RLS ACR press fittings represent the highest standard of quality in flame-free connection technology. With our patented PressSure™ Technology, each press forms a permanent mechanical connection in seconds.

Our Fittings

Tools & Jaws

Whether you’re working with an existing press tool or starting from scratch, RLS has you covered. We have jaws that are compatible with leading tool brands like RIDGID®, Milwaukee®, and DeWalt®. If you don’t have a press tool yet, we’ve got you covered with full kits that include the tool, jaws, and everything you need to get to work.

Tools & Jaws

Our XL Line

RLS offers the largest HVAC/R press fitting sizes on the market, completing the industry’s most comprehensive press fitting lineup. Bigger systems deserve faster, smarter connections. XL press fittings make it easy to tackle large HVAC/R jobs with the same speed and confidence as standard press systems. No flames, no compromise, just powerful performance from start to finish.

Our XL Line

Ancillary Products

RLS ancillary products are the missing pieces that make your install fully press-ready. Whether you’re routing refrigerant with Y-joints, monitoring flow with sight glasses, or preventing contamination with filter driers, RLS lets you install every piece of the puzzle with the same flame-free confidence as your fittings.

Ancillary Products

Pressing News

Stay ahead with the latest RLS innovations, insights, and updates—your go-to source for press fitting news and breakthroughs.

See all News
New 3/8″ – 5/16″ RLS Reducer Now Available!

RLS is expanding its flame-free press fitting lineup with a new 3/8″-5/16″ reducer, engineered to [...]

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21
Oct
RLS PressSure™ Technology

Behind every HVAC and refrigeration system is a connection you can trust. That trust comes [...]

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29
Aug
RLS press fittings are now approved for A2L refrigerants.

As the HVAC industry transitions to flammable A2L refrigerants, we’re proud to announce that RLS [...]

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21
Nov

Careers

As a leader and innovator in our markets, RLS is committed to attracting and retaining top talent with the aptitude, attitude, and entrepreneurial spirit to drive our success.

RLS is part of Marmon Holdings, Inc., a Berkshire Hathaway company. Marmon is a global industrial organization comprising 11 diverse groups with 20,000-plus employees and $15 billion in annual revenue.

Follow the link below to the Marmon Careers page to see all open positions at RLS.

Find a career at RLS

Get RLS Certified

Press Smarter—Take the Online Training or Request a Demo

Online Certification Request a Demo

Get in touch with RLS!

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