Dometic DM2852 / DM2862 to 12V Fridge Cutout Guide
A Dometic DM2852 or DM2862 cabinet is close in height to modern 10-cu.-ft.-class 12V refrigerators. That does not mean every replacement is the same width or secures to the surrounding framing in the same way. The numbers below show where the adjustments may be.
All three measurements describe the required enclosure rather than the refrigerator's exterior or door projection.
Compare 8-cu.-ft. absorption and 12V openings
Refrigerator
Specified enclosure H × W × D
What to check
Dometic DM2852 / DM2862
59¹⁵⁄₁₆ × 23¹¹⁄₁₆ × 24 in.
Original opening; the DM2872 and DM2882 are also listed with this enclosure size.
Norcold N10DC (12V)
59.88–60.01 × 23.50–23.63 × 24 in.
Height ranges are very close; mounting points require the narrower specified width.
Dometic DMC4101 (12V)
59.9 × 24 × 24 in.
The required width is about 5/16 in. greater than the listed old cabinet opening.
Where the extra width matters
A cabinet built exactly to the Dometic DM2852 enclosure width is only 23¹¹⁄₁₆ inches across. DMC4101 calls for a 24-inch opening; check whether the surrounding frame can be modified without affecting nearby walls or structure. For N10DC, the instructions specify the width at its front mounting points, which may need secure shimming despite the very similar height.
Plan the door swing as well. Inspect cabinetry beside the refrigerator for door-opening interference, including handles and trim. The manufacturer cutout depth does not represent how far a finished door projects into the RV.
12V refrigerators to compare
These are cabinet-size comparisons, not confirmed direct replacements. Measurements refer to the manufacturer-required enclosure (height × width × depth), not the refrigerator's outside dimensions. Select the exact model and door configuration before ordering.
A 10-cu.-ft.-class 12V compressor refrigerator with a freezer above the fresh-food compartment. Its tall profile is close to the original DM2852/DM2862 rough opening.
Required cabinet opening (H × W × D)59.88–60.01 in. H × 23.50–23.63 in. W × 24 in. D
Cabinet comparison: The height range includes the listed Dometic 59 15/16-inch opening, but the specified mounting width is narrower. Check and shim to Norcold's required range.
Dometic's larger 12V refrigerator offers separate chilled and frozen storage, LED lighting and a left-hinge layout for RV kitchens.
Required cabinet opening (H × W × D)59.9 in. H × 24 in. W × 24 in. D
Cabinet comparison: The 59.9-inch opening height is close to the older DM2852/DM2862, but the 24-inch width is 5/16 inch wider. Cabinet changes may be necessary.
Measure the empty cabinet at the front and rear; check for trim, screws, floor slope and obstructions.
Allow for doors, handles, hinges and cabinet doors to open fully—not just the rectangular cutout.
Plan for a suitable dedicated 12V supply. The existing 12V control wiring for an absorption refrigerator is not automatically sufficient for compressor operation.
Follow the new model’s ventilation, mounting, levelling and electrical instructions. Have unused LP-gas connections safely disconnected and capped by a qualified technician.
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