The PRO4850 is the 48″ flagship of Sub-Zero’s current PRO lineup, a 30.4 cu. ft. dual-refrigeration side-by-side also offered with a glass door as the PRO4850G. It’s built for the same exposed, commercial-kitchen look as the smaller PRO3650, just with more capacity.
Because this model is current, the failure pattern is well documented: excessive compressor runtime shows up under Sub-Zero’s 40-series codes, usually from a door seal under heavy daily use. The other call we get regularly on a PRO4850 is the ice maker or water dispenser producing little or nothing at all, which more often traces back to the water supply line or fill valve than to the refrigeration system itself.
Key Features
- 48" PRO side-by-side refrigerator/freezer
- 30.4 cu. ft. capacity
- Dual refrigeration, industrial commercial-kitchen styling
- Available with glass door option (PRO4850G)
Most Common Issues on This Model
Excessive compressor runtime problems (documented 40-series code family)
Door seal problems from heavy daily use
Ice maker or water dispenser problems tied to water supply or fill-valve issues