All RLS products are suitable for use with the refrigerants below. Contact us about special blends or other refrigerants not listed here. Check your local codes to ensure that RLS fittings are suitable for use with your particular refrigerant.
A1 | 134A | 404A | 407A | 407B | 407C | 407F |
A1 | 407G | 407H | 410A | 417A | 421A | 422A |
A1 | 422B | 422C | 422D | 424A | 427A | 434A |
A1 | 437A | 438A | 448A | 449A | 449B | 449C |
A1 | 450A | 452A | 452C | 453A | 456A | 507A |
A1 | 513A | 513B | 718 | Ethylene Glycol | 22* | |
A2L | 32 | 143A | 444A | 444B | 445A | 446A |
A2L | 447A | 447B | 451A | 451B | 452B | 454A |
A2L | 454B | 454C | 455A | 457A | 1234yf | 1234ze |
A3 | 290 | 600 | 600A | 601 | 601A |
RLS press fittings and seals are compatible with the above refrigerants. Refrigerant compliance varies by region and/or jurisdiction, so consult your local codes and standards to ensure RLS press fittings are compliant with your fluid.
*Special order item. Chlorinated fluid requires a Neoprene seal (o-ring) in place of HNBR. Minimal product offering available.
RLS fittings are also compatible with the following industrial (non-refrigerant) gasses: nitrogen, argon, helium and oxygen (non-medical).