Duoetto 12V/240V MK2 Digital Dual Voltage Electric Hot Water System - 10L

Duoetto 12V/240V MK2 Digital Dual Voltage Electric Hot Water System - 10L

User Manual

Why Duoetto?

Designed in Australia for local conditions, the Duoetto is the perfect permanent solution for motorhomes, caravans, or tiny homes.

10L Tank

The large 10L tank heats water while you drive. Once the water reaches 75°C, the system maintains the temperature—so you're ready for a hot shower whenever you need it.

12V / 240V Power Options

With support for both 12V and 240V connections, the Duoetto offers flexibility for home use, outdoor showers, or mobile living.

High Quality Material

Built to last, the Duoetto is crafted to endure tough environments, with premium materials and a thoughtful design.

Safety Measures

Features include a combination pressure relief valve and non-return valve to prevent over-pressurising, plus dry-run and over-temperature protection—ensuring reliable and safe operation.

Features

• Variable thermostat (30–75°C on 240V)
• Variable thermostat (up to 70°C on 12V)
• Digital control for 12V operation
• Durable outer case with service and inspection points
• SPCC steel & enamel tank
• Single weld line for added durability
• Polyurethane insulation for heat retention
• Automatic voltage detection and switching between 12V and 240V
• Over-temperature and run-dry protection
• Combination pressure relief valve and non-return valve
• Incoloy 840 heating element
• Can be wall or floor mounted

Time to Heat & Current Draw:

On average, it takes about 2 hours to heat water from 20°C to 70°C and draws approximately 50 amps. (Performance may vary.)

The Duoetto MK2 electric hot water system holds 10 litres of water, providing a generous supply of hot water for your off-grid or adventure needs. This capacity is ideal for washing, cooking, or showering while on the go. Its dual voltage design ensures flexibility in various power setups.

Yes, the Duoetto MK2 operates on both 12V DC and 240V AC power sources, making it highly versatile for off-grid and caravan applications. You can easily switch between power supplies depending on availability, ensuring hot water is always accessible whether you’re connected to mains power or running off your vehicle battery.

The Duoetto MK2 heats water efficiently, reaching a usable temperature within approximately 30 minutes when connected to a 240V AC supply. This quick heating time means you won’t have to wait long to enjoy hot water, enhancing convenience during your outdoor adventures.

The Duoetto MK2 includes built-in thermal cut-out protection and an automatic reset function to prevent overheating. These safety features ensure reliable operation and peace of mind, allowing you to enjoy hot water safely in any off-grid environment.

Installation is straightforward with the Duoetto MK2, designed for easy mounting in caravans, boats, or vehicles. It requires connection to either a 12V DC or 240V AC power supply and a water inlet/outlet. The compact 10L tank fits neatly into tight spaces, making setup simple and efficient.

Absolutely, the Duoetto MK2’s dual voltage capability allows it to run efficiently on 12V DC power from vehicle batteries or solar setups, making it perfect for remote off-grid locations. This flexibility ensures you always have access to hot water, no matter how far off the beaten track you go.

The Duoetto MK2 requires minimal maintenance, with periodic checks on electrical connections and ensuring the water tank is drained during long storage periods. Its robust construction and quality components are designed for long-lasting performance, giving you reliable hot water with little fuss.

Yes, the Duoetto MK2 is designed to operate alongside other 12V appliances, provided your power system can handle the combined load. Its efficient energy use and dual voltage design allow seamless integration into your vehicle’s electrical system, ensuring you get hot water without compromising other essential devices.