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.

RLS Team of HVAC/R Experts

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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RLS Global Locations and International HVAC Projects

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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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 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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15
Oct
RLS Products in Action at the HVAC National Championships

RLS was proud to once again be the official press fitting used in the 2025 [...]

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13
Oct

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

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