The KBUIT4860A is a 48-inch panel-ready side-by-side from the older A generation of Thermador’s KBU built-ins, supported by a Thermador service page for its FD variants. Its manual groups it with the 42- and 48-inch 4250A-4870A models in both KBUIT and KBUDT form.
After many years in service, custom wood panels can warp and pull the doors out of line, which shows up as a poor seal and frost rather than an obvious door problem. Temperature controls on this generation can drift, so a thermometer check tells whether the setting still matches the actual temperature.
Key Features
- 48-inch built-in side-by-side refrigerator, panel-ready
- Earlier A-generation controls, predating the E models
- Listed in the same use and care manual as the KBUDT4250A family
- Thermador service page for KBUIT4860A/02
Most Common Issues on This Model
01
Temperature control drifting with age
02
Ice maker seizing after years of mineral buildup
03
Custom door panels warping and pulling doors out of line
04
Start relay or run capacitor failing