Thermador T30IB800SP
Instead of a single-purpose column, the T30IB800SP packs a fresh-food door over a freezer drawer into one 30-inch cabinet, 11 cubic feet above and 5 below. Thermador marketed it for custom panels and sold a pre-assembled stainless version separately.
Sharing a cabinet between both compartments changes how we diagnose. A warm upper section next to a cold freezer suggests an airflow or control issue. Frost forming inside the drawer generally points at its gasket or its alignment, a frequent complaint on older bottom-freezers.
The ice maker shares the small freezer with everything else, so it can run short of room. Over the years both the door panel and the drawer panel can slip out of square, and we test each for even closing before judging temperatures.
Warm air gets past the drawer seal. Typical culprits are a torn gasket or a drawer that has stopped closing square. We begin with the gasket and the drawer track, since the frost keeps returning until the seal is right.
Yes: the design guide also covers finished 30-inch versions, the T30BB810SS and T30BB820SS, distinguished by their handles. Inside they share the same repairs as the panel-ready model.
Airflow and the control, since both compartments share one cabinet. Frost at the drawer would send us to the gasket. Frost at the drawer would point to the gasket or alignment instead, so we separate the two quickly.
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