Resources: All the Info. All in One Place.

When you need specs, answers, or install-ready resources, this is where you start. From product literature to videos, case studies to compatible refrigerants, RLS makes it easy to find what you need fast.

Patents

See where RLS press fittings are protected and approved. Includes UL, CSA, CRN, and global listings.

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Listings & Certifications

See where RLS press fittings are protected and approved. Includes UL, CSA, CRN, and global listings.

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Compatible Refrigeration List

Get the full rundown on which refrigerants work with RLS PressSure™ technology, including application compatibility.

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FAQs

Got questions? We’ve got answers. From press-fit performance to install technique, find fast, field-tested guidance here.

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ZoomLock Cross Reference

Cross over with confidence. This tool shows you how RLS fittings match up with ZoomLock™ models and sizes.

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Product Literature

Download brochures, data sheets, technical specs, and more all organized by category and product line.

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Videos

Watch RLS fittings in action. Includes training demos, install tips, and product spotlights built for the jobsite.

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Case Studies

See how other pros are using RLS to save time, boost reliability, and grow their business. Real installs. Real results.

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Still can’t find what you’re looking for? Contact us — our support team is here to help.

Pressing News

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

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Join us at Booth SL332 at AHR 2026!

The HVAC/R industry is gearing up for one of its biggest gatherings of the year, [...]

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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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RLS Takes Part in the Women in HVACR Annual Conference

RLS attended this year’s Women in HVACR Annual Conference, held October 6–8 in Las Vegas [...]

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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

Upcoming Events

Trade shows

Find out where we’ll be showcasing our latest press fitting solutions. Come meet the team, ask questions, and get hands-on with our tools.

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Road Shows

We’re taking our training and tools on the road. Check out the RLS mobile showroom schedule to see when we’ll be visiting a city near you.

See the Roadshow schedule

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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