Approved ZoomLock Refrigerants
The refrigerants below are approved for ZoomLock Flame-Free Refrigerant Fittings.
  R-32*   R-125   R-134a   R-143a*  R-152a* ⁑ R-227ea ⁑  R-290*   R-404A   R-407A  R-407B  R-407C 
R-407F R-407G R-407H R-410A R-417A R-421A R-422A R-422B R-422C R-422D R-424A
R-427A R-434A R-437A R-438A R-442A ⁑ R-444A* ⁑ R-444B* ⁑ R-445A* R-446A* R-447A* R-448A
R-449A R-449B R-449C R-450A R-451A* R-451B* R-452A R-452B* R-452C R-453A R-454A*
R-454B* R-454C* R-455A* R-456A R-457A* ⁑ R-458A ⁑ R-507A R-513A R-513B R-515A ⁑ R-515B ⁑
 R-600*   R-600a*  R-718
(Non-Potable Water)
R-1234yf* R-1234ze* Ethylene
*Flammable refrigerants. Check with Local Building or Mechanical Code Officials.
⁑ Refrigerant added to approved list May, 2018.
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