ST. LOUIS — A year after cutting the ribbon on its Training Center and launching its Mobile Showroom, Rapid Locking System (RLS), a provider of press-to-connect fittings for the HVACR industry, is ...

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 ...

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 ...