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  1. Home
  2. Brands
  3. RLS

Rapid Locking System

RLS Skinny Header Logo

RLS designed, engineered and developed the first press-to-connect fittings for the HVAC and refrigeration industries. After years of research and development, they introduced their fittings to the market in 2015. Over the years, they continued to expand the product line, regularly introducing new items and new sizes to meet customer needs. Today, there are millions of RLS fittings installed worldwide, and the original, patented, proven RLS product line remains the only line of refrigerant press fittings in the world to be UL207 Listed to 700 psi. Backed by a 15 year manufacturer warranty.

Check the compatibility of various Jaws and what will work with each tool

  • RLS Press Tools and Jaws RLS Press Tools and Jaws
  • Couplings Couplings
  • Caps Caps
  • Elbows Elbows
  • Flare Couplings Flare Couplings
  • Reducers and Bushings Reducers and Bushings
  • Tees Tees
  • Accessories Accessories


Watch Jim Bergmann demonstrate how easy it is to perform a professional installation in a fraction of the time with the RLS braze-free system.




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