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Model library · Sub-Zero Refrigerator

648PROG

Sub-Zero 648PROG Glass-Door PRO 48 Refrigerator Repair

Most common issues on this model

  1. Water collecting beneath the crisper drawers
  2. Frost growing inside the freezer
  3. Moisture on the inside surface of the glass door

Glass sets the 648PROG apart from the 648PRO. Behind the glass front sits a PRO 48 side-by-side wrapped in stainless, with a grille you can reach easily, a water filter, and an alarm. You can set it free or build it in. Production has ended.

The calls we receive tend to cluster around moisture. Water pooling under the crisper drawers needs tracing to a drain or seal instead of being dismissed as a spill. Frost in the freezer usually means humid air is getting in. Moisture on the inside of the glass door generally traces to the seal or to the pane’s insulation after years of use. Also sold as ICB648PROG.

We inspect the gaskets, the glass, and the drains together. Parts can generally be ordered, with legacy items taking longer. A 30-day workmanship warranty backs the repair.

Key features

  • PRO 48 glass-door side-by-side with refrigerator and freezer
  • Stainless build with easy-access grille, water filter and alarm; stands free or goes built in
  • Out of production
  • Parts can be sourced on order, with some delay for legacy items
→Codes

Error codes this model can show

648PROG648PROG questions
How does the 648PROG relate to the 648PRO?

They share the PRO 48 platform. The 648PROG swaps in a glass front and adds items such as a water filter and an alarm, but the refrigeration approach is much alike.

Why is there water under my 648PROG crisper drawers?

Typically a drain or seal issue. We trace it, because left alone, it can lead to frost or other moisture problems in the cabinet. We also check the gaskets nearby.

Why does the glass door fog on the inside?

Persistent moisture usually points to a worn door seal or a glass pane that no longer insulates as well as it once did. We inspect both before recommending a repair.

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Book in about a minute, or call the desk. Same-day windows inside the Loop on most days, next-day across the rest of Houston.

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