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Rapid Locking System

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6212 Pershall Rd, Hazelwood, MO, 63042 USA

RLS press fittings were specifically designed and engineered to join copper tubes in high-pressure HVAC and refrigeration systems.

Our patented RLS press fittings are fully registered and listed to UL207 for pressures up to 700 PSI. These first-of-their-kind fittings connect quickly and easily using an RLS-approved press tool and jaws, replacing the time-consuming practice of manually brazing joints.

RLS-compatible jaws are available for most press tools up to 32kN, including brands like RIDGID, Milwaukee, Klauke, and many others.

RLS advantages include:

  •  Connections in 10 seconds
  •  Works in tight spaces
  •  Sizes from 1/4″ to 21/8″
  •  UL listed to 700 psi
  •  360-degree metal-to-metal connections
  •  No gas or brazing materials
  •  No flame, no fire hazards
  •  No nitrogen purging
  •  Jaws are available for most press tools
  •  15-year limited warranty.