ST. LOUIS, Missouri — Rapid Locking System (RLS) is proud to announce that its couplings, elbows, reducers, tees, caps, bushings and SAE flares are officially certified A2L-compliant. Attaining A2L ...

ST. LOUIS — HVAC contractors showed up for the grand opening of the Rapid Locking System (RLS) St. Louis training center and mobile showroom. The ribbon-cutting ceremony, preceded by press fitting ...

ST. LOUIS, April 19, 2024 /PRNewswire/ -- Rapid Locking System (RLS), the leading provider of press-to-connect fittings for the HVAC/R industry, celebrated the grand opening of its training center ...