The original refrigerant press fittings

Featured Product from RLS LLC

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The original refrigerant press fittings — UL listed to 700 PSI
RLS flame-free press fittings for HVAC and refrigeration connect copper tube without brazing, saving time and money. Since 2015, millions of RLS press fittings have been installed worldwide.

RLS LLC designed, engineered and developed the first press-to-connect fittings for the HVAC and refrigeration industries. After years of research and development, we introduced our fittings to the market in 2015. Over the years, we continued to expand our 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 UL Listed to 700 psi.