
The BI-48S is a 48″ Classic side-by-side refrigerator/freezer from Sub-Zero’s legacy built-in lineup, without a dispenser.
A cabinet that holds temperature overnight but drifts warmer through the day, and a control panel reading a temperature the cabinet isn’t actually holding, are the issues reported most on a BI-48S. Condenser airflow restricted by dust at the grille is the other common call, and it’s worth checking before assuming the compressor itself is failing.
Key Features
- 48" Classic side-by-side refrigerator/freezer
- Classic BI- built-in generation, no longer produced
- On the BI-48S, OEM parts generally still available to order, though legacy items take longer to arrive than parts for a current model
Most Common Issues on This Model
For the BI-48S, cabinet holding temperature overnight but drifting warmer through the day
On the BI-48S, panel reading a temperature the cabinet is not actually holding
Condenser airflow restricted by dust collected at the grille

