A1 R134A R404A R407 R410A R417A R421A R422 R424A R427A
R434A R437A R438A R448A R449 R450A R453A R456A R460A
R460B R460C R463A R507 R513 R718 Ethylene Glycol    
A2L R32 R445A R446A R447A R447B R451A R451B R452B R454A
R454B R454C R455A R1234yf R1234ze        
Contact us about special blends or other refrigerants not listed here.
Check your local codes to ensure that RLS press fittings are suitable for use with your particular refrigerant.
RLS fittings are also compatible with, but not listed for, the following industrial (non-refrigerant) gasses: nitrogen, argon and helium. Consult your local code jurisdiction, as necessary, for installs with these non-refrigerant fluids.
Download Approved Refrigerant List