Dometic RUA 5308X 146L 3-Way Caravan Fridge
General ETA ~ Aug 30–Sep 3
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Estimated arrival: Aug 30 – Sep 3
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The Owner's Insights on the RUA 5308X
This is the small one in the RUA range, and it is the one I point people at when the van is tight on wall space.
One door, 146 litres, with the freezer boxed in behind its own internal door. At 1195mm tall and 53kg it is a fair bit easier to get into a van than the two-door units.
It still runs on all three energy sources. Gas, 240V or 12V. That is the whole point of an absorption fridge, and it is why you can sit in the middle of nowhere for a fortnight without watching your battery monitor.
The trade-off is the freezer. It is a box inside the fridge, not a separate compartment, so it will not hold a week of meat the way the bigger models do.
Who is it for? Couples, pop-tops and smaller vans where 550mm of width is all you have got and the wall is short.
Why You'll Love the RUA 5308X
- Runs on gas, 240V or 12V. Use whichever you have got that day and your food stays cold, powered site or not.
- 146 litres in a single door. Enough for a couple to shop properly without giving up half your kitchen wall.
- Internal freezer with its own door. Your frozen gear stays frozen when you open the fridge for a beer.
- T-rated cooling unit. Rated for tropical conditions, so it holds temperature through a hot inland summer.
- Double-hinged door. It opens left or right with no hinge swap, so your van layout decides, not the fridge.
- 1195mm tall and 53kg. The easiest RUA to fit, and the lightest to get through the door on install day.

Why You Should Consider a Dometic Caravan Fridge
Dometic has built RV refrigeration for decades, and its absorption units are what most Australian caravan makers fit at the factory. Parts and authorised service agents are easy to find here. On a fridge you will keep for fifteen years, that support matters more than the sticker price. See the rest of the Dometic range.
RUA 5308X Specifications
| Fridge type | Absorption, three-way |
| Total volume (IEC 62552-3) | 146 L |
| Gross capacity | 153 L |
| Doors | 1, with internal freezer door |
| Energy sources | LPG gas, 240V AC, 12V DC |
| Input voltage | 230-240V AC / 12V DC, 50/60Hz |
| Rated input power (AC) | 195W |
| Rated input current (AC) | 0.8A |
| Gas category | ULPG (Universal LPG AUS/NZ) |
| Thermostat control | UES (Universal Energy Selection) |
| Control panel | Colour TFT display |
| Door hinge | Double-hinged, opens left and right |
| Interior light | LED |
| Climate class (EN 62552) | N/T |
| Refrigerant | R717 (ammonia) |
| Insulation | PU (polyurethane) |
| Dimensions (W x H x D) | 550 x 1195 x 667mm |
| Net weight | 53kg |
| Shipping weight | 58kg |
| Colour | Black |
| Installation | Built-in, flued, licensed gas fitter required |
| Model | RUA5308X |
| Item number | 9620017228 (silver handles) / 9630000199 (black handles) |

How a three-way absorption fridge works
There is no compressor in this fridge. A heat source boils an ammonia and water mix, and that vapour moves around a sealed circuit to pull heat out of the cabinet. The heat comes from a gas burner, a 240V element or a 12V element. Nothing moves, so nothing rattles and nothing wears out. That is why these fridges run silently, and why owners hang on to them for so long.
Dometic RUA 5308X dimensions and cut-out
The cabinet is 550mm wide, 1195mm tall and 667mm deep, and it weighs 53kg empty. Take your cut-out and ventilation sizes off the Dometic installation manual before you order, because the flue and the vents have to line up with your wall. Your caravan builder or gas fitter will want those numbers first. Shipping weight is 58kg.
Is 146 litres enough for two people
For a couple, yes, comfortably. You will fit a full shop, drinks and a few days of frozen gear. Where it gets tight is long remote trips with a lot of meat, because the freezer here is an internal box rather than a separate compartment. If that is your trip, look at the two-door models instead.
What's Included
- Dometic RUA 5308X refrigerator
- Two user manuals
What's Not Included
- Gas connection kit
- Flue and external vent kit
- Installation and gas certification
- Door decor panel
Dometic supplies this fridge as the cabinet and its manuals. Everything on the install side comes from your gas fitter or caravan builder. Give us a call if you want a hand working out what your van needs.
Not Sure Which Caravan Fridge Suits You?
If you need a real freezer for long remote trips, step up to the two-door RUA 6508X instead. The 5308X is the right call when wall height is your limit. The honest catch is that this is a built-in appliance, not something you drop in yourself. It runs on LPG, so a licensed gas fitter has to install it and certify the gas work, and that cost sits on top of the fridge. Your rights under Australian Consumer Law apply alongside the manufacturer warranty. Browse the rest of our RV fridges before you decide.