Models · Undercounter refrigerator
Sub-Zero DEU2450R Designer Undercounter Refrigerator
Sub-Zero's current panel-ready 24-inch undercounter refrigerator, dressed in a cabinetry panel so it disappears into the island or the bar.
- Signed
- Dean Halvorsen
- Bench
- sealed systems and airflow
- Years at it
- 19
- Holds
- EPA 608 certified
- Checked
- September 2026
At a glance
- What the letters say
- DEU for Designer Undercounter, R for all refrigerator; ADA at the end marks the lower-height version
- Width
- 24 in
- Height
- 34½ in, or 32½ in for the DEU2450RADA
- Depth
- 23⅛ in before the custom panel is added
- Power
- 115 V on a dedicated 15 amp circuit; Sub-Zero does not recommend a GFCI for indoor models
- The tag
- On the ceiling inside the cabinet, toward the left
Checked against Sub-Zero design guide (current, rev. 4/2026) · Sub-Zero model number key · Sub-Zero serial tag locations
What it is doing, and what that means
01Warm inside, and it has not been in long?
If the setting was nudged, the door was held open to stock it, or a new panel rubs and the door has not been sealingSafe to wait
Put the setting back, clear what the door meets, and give it a day. A panel that stops the door is an installer's adjustment.
If a rug, a bin or a decorative kickplate has crept across the foot of the unit, and it recovers once the foot is clearSafe to wait
Sub-Zero's design guide limits how far a decorative kickplate may reach under the unit. We treat a covered foot as the first thing to clear.
If the setting is right, the door seals, the foot is open, and it keeps drifting warmCall (425) 321-3414
With the simple causes gone, a unit this young points at what reads and commands the cold. We test before naming the part.
02Dark and silent?
If the home breaker had tripped, or it is plugged into a GFCI outlet whose reset button had popped, and it runs once resetSafe to wait
It may trip again. Sub-Zero warns a GFCI can interrupt an indoor unit, so ask an electrician about the outlet; that change is never an owner job.
If the breaker is on, no GFCI has tripped, and the unit stays darkCall (425) 321-3414
Power reaches the outlet and the unit does not answer. That trace is ours.
Hidden units hide their problems
A panel-ready refrigerator in a Woodinville island is chosen so nobody notices it, and faults go unseen the same way. Its foot shares the toe-kick line with the cabinets, where a mat or a basket can end up. We check those before anything electrical.
Why the control board line
On a young unit that seals and breathes, what is left is usually the electronics that call for cold. The band is a starting point; the diagnosis decides.
Wait or call: the DEU2450R
| What it is doing | Check first | Safe to wait if | Call if |
|---|---|---|---|
| Warm after restocking | How long the door stood open; the setting | It is back to temperature by the next morning | It is still warm a full day later with the door shut |
| Door does not pull closed | The panel or handle catching cabinetry beside it | It closes once the obstruction is gone | Nothing catches and the door still will not seal |
| A pair side by side, one door catching | Whether a dual installation kit or a 2 in filler strip went between them | Both doors close cleanly and both units hold their setting | A door still fails to seal, or either unit runs warm |
| Stops at random, then restarts | Whether its outlet is on a GFCI | It runs steadily once an electrician moves it to a plain dedicated outlet | It keeps cutting out on a plain outlet |
Sub-Zero Repair Woodinville · (425) 321-3414 · phone staffed 24/7 · wine and undercounter calls 8:00 am – 8:00 pm, seven days
The price line to read first
Control board $450–$1,000
On an $89 visit that comes off the repair once you approve it. The full breakdown: Undercounter Repair Cost.
Booked as
Diagnosis and repair of built-in and integrated Sub-Zero refrigerator columns, including sealed-system and defrost faults.
If it is doing something else
Each page forks on what that unit is most often brought to us for, so the answer to a different symptom may sit next door: the Sub-Zero UC-24, the Sub-Zero UC-24C and the Sub-Zero DEU2450RO. All of them price on the same cost page.
Asked about the DEU2450R
- Do two DEU2450R units need anything between them?
- Sub-Zero calls for a dual installation kit, or a 2 in filler strip between the pair when no kit is specified; without a filler, only units with opposite hinges can sit tight together. If a pair runs warm, call Sub-Zero Repair Woodinville on (425) 321-3414.
A DEU2450R doing something on this page? Tell us which fork you ended on.
Cellar calls 8:00 am – 8:00 pm, seven days · (425) 321-3414 answered 24/7