A Fit for Any Job

Flame-Free HVAC/R Fittings Engineered for Speed, Strength, and Job-Site Reliability

RLS offers a complete lineup of flame-free press fittings to meet the demands of modern HVAC/R installations. From couplings and elbows to tees, flares, and reducers, every fitting is designed for fast, clean connections without flames, fire watch, or nitrogen purge.

Whether you're working on a standard split system, a high-efficiency heat pump, or a complex VRF application, RLS provides the fittings and technology you need to get the job done quickly, safely, and confidently.

Built to Handle Every Application

Wide Range of Sizes and Styles

RLS fittings are available in diameters from ¼” up to XL sizes, including 1-⅝″ and 2-⅛″. Ideal for larger commercial systems. Each fitting is crafted from refrigerant-grade copper and precisely engineered to ensure strength and sealing integrity in high-pressure environments.

Compatible with:

  • Split systems
  • Heat pumps
  • VRF systems
  • A2L refrigerants

The Power of PressSure™ Technology

RLS PressSure™ Technology enables secure, flame-free mechanical joints in seconds. Just prep the pipe, align the fitting, and press. There’s no need for flux, open flames, or extended job-site downtime.

Key Benefits:

  • No fire risk = no fire watch or hot work permits
  • No nitrogen purging
  • No soldering materials or cleanup
  • Reduced labor time and increased job safety
  • Consistent, repeatable results across every install

Tested. Trusted. Proven.

RLS press fittings are UL 207 listed and rated to 700 psi, making them a reliable solution even in demanding applications. Trusted by contractors worldwide, our fittings withstand the challenges of vibration, pressure cycling, and extreme temperature changes.

Built to meet the demands of the real world.

Backed by field-proven performance and a 15-year limited warranty, RLS fittings give HVAC professionals the confidence to press forward with every install.

Caps
Caps
Couplings
Couplings
Elbows
Elbows
Flare Couplings
Flare Couplings
Reducers
Reducers
Tees
Tees