Rapid Locking System

When RLS (Rapid Locking System) introduced the first press-to-connect fittings for HVAC/R back in 2015, some contractors were understandably skeptical of the new technology. So it took some time for RLS fittings to gain acceptance from the industry. Fast forward to 2022 and now the fittings are in widespread use. Why? Here are three key Read more

RLS LLC, manufacturer of the Rapid Locking System line of flame-free press-to-connect fittings for HVAC and refrigeration systems, announces that Milwaukee® Tool, in partnership with RLS, has introduced RLS-compatible jaws for use with its popular M18™ FORCE LOGIC™ Press Tools. Available in sizes from 1/4″ – 1-3/8″, these new RLS ACR Press Jaws will allow Read more

Manufacturing Plant and Training Center in St. Louis, Missouri RLS LLC, manufacturer of the Rapid Locking System line of flame-free press-to-connect fittings for HVAC and refrigeration systems, has announced it will be moving into a new 80,000 square foot multipurpose facility in St. Louis, Missouri, which will serve as its corporate headquarters and will include Read more

When you Need an Alternative to Brazing HVAC/R Joints While there will always be a need to braze, more and more HVAC/R contractors are also taking advantage of the time and cost savings – and proven reliability – of RLS press fittings. They connect in seconds, without the need for a torch, gas, nitrogen and Read more

There seems to be some confusion in the HVAC/R industry right now about press fittings. So RLS – manufacturer of the original RLS (Rapid Locking System) press fittings that were first sold under the ZoomLock brand name – wants to set the record straight. While you can’t always trust what you hear, you can always Read more