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Aussie Hot Water System Set To Clean Up

Updated: Jun 22, 2020

Aus J Hot Water Solutions, an Australian manufacturing innovator that has sold tens of thousands of portable 12V/240V water heaters globally is expecting its latest model to tap into a post-Covid domestic travel boom.

The Duoetto MK2 10-litre water heater is also claimed to bring the comfort, cleanliness and convenience of hot water and showers to RV vehicles used on remote industrial and resources worksite markets as COVID restrictions ease, but employers need to ensure hygiene and safety.

Australia’s Aus J Hot Water Solutions, headed by designer and managing director Jay King, aims its tough, Australian-designed compact and durable water at Australian (and global) motorhome, campervan, caravan, camping, marine and work sites, where mains power is not always available.

The latest Duoettos – which typically retail for under $A400 ($US270) – feature a digital temperature control on the side for local and export markets that like their controls clear and simple, including the Middle East and Asia, North America, Africa and Europe, including the UK.

“Automatic sensors allow switching to 12V when mains power is not available, enabling the Duoetto to deliver ample hot water in remote areas such as campsites or on boats where mains power is unavailable, which it often is in large areas where major RV, marine and work vehicles operate.” says Mr King, who designs the water heaters himself and ensures production to Australian standards of toughness and quality .

The MK2 has a number of upgrades on the previous version, designed to give the new water heater even greater longevity than the original, which has become OEM equipment on major campers in Australia and in export markets including South Africa and the US because of its functionality and reliability in service over a wide range of use and climatic conditions. Upgrades include:

  • An Incoloy 840 heating element, which gives superior corrosion resistance and is designed for optimum use in extreme environments and temperatures.

  • A single weld line tank for a sturdier construction, reduced water leakage and extended product life.

  • Polyurethane insulation to maintain temperatures and reduce energy consumption. This is an environmentally harmonious CFC-free material.

  • SPCC steel and enamel tank for improved corrosion resistance

  • Digital temperature control for ease of control and readability, fully adjustable from 30-70 deg C

The Duoetto MK2, which is especially suited to motorhomes, campervans and caravans, as well as equestrian transports.

“Readily available hot water is a real luxury when you’re on the road for a long time, off it in 4WDs or out on the water. It doesn’t matter if you are a couple, family group or a worksite team, hot water is a blessing,” said Mr King.

The Duoetto MK2 comes with internationally recognised Australian WaterMark accreditation, which means it passed tests and requirements regarding its suitability for supplying water for human consumption. These tests encompass taste, smell, toxins and corrosive effects on plumbing and pipework.

Drawing a minuscule 4.2 amps at 240V (1000w) and 25 amps at 12v (300w), the 409 x 262 x 267mm Duoetto MK2 retains the strengths of its predecessor, including:

  • Manufactured to Australian Standard AS/NZS 3350.1.1:2002 and with WaterMark certification to Australian Standard AS/NZS 3498:2009

  • Adjustable thermostat on 240V up to 75o

  • Durable outer case with service and inspection points

  • The water heater connects to 12V DC power supply meaning there is no need for a generator, inverter or 240V power supply.

  • Integrated magnesium sacrificial anode protects against galvanic corrosion and extends the life of the water heater.

  • Thermal cutout

  • Over-heat protection

  • Combination brass pressure relief valve

  • Warranty 12 months

Aus J Hot Water Solutions offers a range of innovative gas and electric water heaters with models for domestic, commercial and recreational applications, including a 240v 10-litre Aqueous water heater designed to provide homes with near-instant hot water and reduce the wastage by having the heater located under the sink. For further information, please call +61 419 993 042 or email

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