Aqua-Hot 250D Diesel Ultra-Compact Hydronic Heater for Van RV – Complete Kit

SKU: AHE-250-DIESEL-KIT Category:


Ultra-Compact Hydronic Heating

Highly efficient heating and continuous domestic hot water appliance in one compact efficient unit.


  • Fueled by diesel and operated by 12V for off grid applications.
  • Available with a 110 electric element.
  • The all-in-one design of the Aqua-Hot series results in considerable cost and space savings.
  • Single, self-contained unit: Delivers residential-style interior heating using heat exchangers and/or in floor heat with the ability to deliver a luxurious supply of continuous hot water at 110°-120°F at a rate of 1.5 gallons per minute. It’s just like the luxury comfort in a traditional home or high-end diesel motorhome.
  • Quiet: Low voltage fans provide an almost completely noise free operation.
  • Fast Installs: Heating, domestic water, and fuel supply/outlet ports are located on top of the tank for easy connection access. Integrated mounting tray facilitates air intake and exhaust.
  • Easy Operation: Heat controlled by your thermostat and endless hot water by simply turning on a faucet.


  • Maximum Interior Heat Exchanger Btu/hr 40,000
  • Continuous, Tank-less Hot Water of 110°-120°F at 1.5 GPM
  • 5 Aqua‐Hot Cozy Heat Exchangers
  • Fuel Diesel
  • Electric Element – Yes
  • Size 11.69″T x 12.45″W x 21.61L
  • Weight 84lb (empty) 113lb (full)

Additional information

Weight 60 lbs
Dimensions 18 × 30 × 12 in

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Condition New


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