About Rapid Locking System ProductsVisit RLS
Rapid Locking System designed, engineered, patented, and developed the first press-to-connect fittings for the HVAC and refrigeration industries. With over 15 million RLS fittings installed worldwide and more than 7 years of successful field use, RLS is the only line of press-to-connect fittings proven to stand the test of time in high-pressure HVAC/R applications.
- 700 PSI UL Listed HVAC/R Compression
- Couplings, 90s, 45s, Tees, Reducers,
- SAE/Euro Flares, Caps, Y-Fittings, P-Traps
- Rated for R410A, R134A, R407C, and many more
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