| 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, helium and oxygen (non-medical). Consult your local code jurisdiction, as necessary, for installs with these non-refrigerant fluids.