iGas R-438A refrigerant, 25 lb cylinder. Non-ozone-depleting HFC blend for direct retrofit of existing R-22 air conditioning and refrigeration systems - iGas describes it as the closest performance match to R-22 of the no-oil-change replacements. Compatible with mineral oil and alkylbenzene lubricants, ASHRAE A1 safety class. For EPA-certified technicians.
Breaker sizing (MCA / max overcurrent), line set connection sizes and unit dimensions.
