|R 409A Refrigerant |
R 409A is an HCFC - based refrigerant, is a cost - effective retrofit refrigerant for R 12 stationary positive displacement air conditioning and refrigeration systems such as walk - in coolers, beverage dispensers, vending machines, and supermarket systems. Nooil change is needed in many unitary and close - coupled systems.
> R 12
> Medium and low temperature positive displacement equipment in supermarket systems and walk - in cooler.