Dometic RMDX21 Spare Parts

The Dometic RMDX21 is a premium high-capacity 3-way absorption refrigerator from Dometic's specialised RMDX tropicalised range. Designed specifically for caravans, motorhomes and RVs operating in demanding Australian conditions, the RMDX21 incorporates enhanced cooling technology engineered to perform in extreme ambient temperatures where standard absorption refrigerators may struggle.

Featuring a separate refrigerator and freezer compartment, silent absorption cooling and operation on LPG gas, 12V DC and 240V AC power, the RMDX21 became a popular choice for serious travellers seeking dependable refrigeration for both on-road touring and extended off-grid camping.

Although the RMDX21 has now been discontinued, many units remain in service throughout Australia, creating strong demand for genuine replacement parts and servicing components.

About the Dometic RMDX21

The RMDX21 is part of Dometic's heavy-duty tropicalised refrigerator family and shares the same cabinet size and cooling platform as the RMDX25.

Key Specifications

Capacity

• Total capacity: 190 litres
• Refrigerator compartment: 160 litres
• Freezer compartment: 30 litres
• Separate upper freezer door

Overall Dimensions

• Height: 1245 mm
• Width: 525 mm
• Depth: 622 mm

Installation Cut-Out

• Height: 1249 mm
• Width: 527 mm
• Depth: 572 mm

Weight

• Approx. 47 kg

Power Sources

• LPG Gas
• 12V DC (170W)
• 230-240V AC (250W)

Key Features

Tropicalised Cooling System

The defining feature of the RMDX21 is its enhanced cooling capability.

Benefits include:

• Designed for Australian conditions
• Improved performance in high ambient temperatures
• Heavy-duty insulation system
• Enhanced cooling unit design
• Better hot-weather refrigeration performance

Manual Energy Selection (MES)

The RMDX21 features Manual Energy Selection, allowing users to manually select:

• LPG Gas
• 12V DC
• 240V AC

When gas operation is selected, the electronic ignition system automatically lights and monitors the burner for safe operation.

Double-Door Refrigerator & Freezer Layout

The separate freezer compartment helps:

• Reduce cold air loss
• Improve cooling efficiency
• Maintain freezer temperatures
• Improve food organisation

Built for Touring

Additional features include:

• Anti-condensation frame heater
• Positive-lock travel latches
• Adjustable shelving
• Interior lighting
• Electronic control system
• Caravan-friendly door retention system

Replacement Information

The Dometic RMDX21 has been discontinued.

The most common modern replacement is the:

Dometic RMD10.5XS

The RMD10.5XS is widely considered the natural successor to the RMDX21 and offers:

• Modern 10-Series design
• Universal Energy Selection (UES)
• Improved electronics
• Enhanced controls
• Updated interior configuration
• Similar installation footprint

Dometic RMD10.5XP

The latest evolution of the platform, the RMD10.5XP adds:

• Dual-hinged refrigerator doors
• Dual-hinged freezer doors
• Open-from-either-side functionality
• Updated styling
• Advanced control systems

For many owners, however, replacing a faulty component remains a far more economical option than replacing the complete refrigerator.

Why Buy Dometic Spare Parts from Everything Caravans?

Everything Caravans has supplied and serviced Dometic products since 1975. As Australia's longest-standing Dometic Service Agent, we provide genuine spare parts backed by real workshop knowledge and decades of hands-on experience.

When you buy from an authorised Dometic distributor, you get reliable parts, accurate advice, and support from a team that works with these products every day.

Whether you're replacing a heating element, thermocouple, thermostat, shelf, door bin, gas component, ignition module or control board, our team can help identify the correct part for your refrigerator and provide practical advice based on real-world servicing experience.

Spare Parts Available

We stock a wide range of Dometic RMDX21 spare parts, including:

• 12V heating elements
• 240V heating elements
• Thermostats
• Thermocouples
• Burner assemblies
• Gas jets
• Ignition modules
• MES control boards
• Electronic control components
• Main door seals
• Freezer door seals
• Interior shelves
• Door shelves and bottle retainers
• Crisper bins
• Interior light components
• Door handles
• Travel lock assemblies
• Anti-condensation frame heater components
• Hinge assemblies
• Ventilation components
• General service and maintenance parts

Many RMDX21 components are shared with related models, including:

• Dometic RMDX25
• Dometic RMD8551
• Dometic RMD8555
• Dometic RMD8501
• Dometic RMD10.5XS
• Dometic RMD10.5XP

Whether you're replacing a heating element, repairing a gas system fault, fitting a new shelf or replacing worn door seals, our range of Dometic RMDX21 spare parts can help keep your refrigerator operating reliably for years to come.