Model 450D

The Most Compact Heating System From Aqua-Hot For Diesel Motorhomes

The 450D is diesel-fueled and equipped with an AC electric heating element. This single unit delivers quiet, even, draft-free heat circulation, plus a constant flow of hot water. It’s a level of comfort multiple system installations don’t approach.


  • Continuous on-demand hot water
  • Quiet, clean, even, moist interior heat
  • Fast diesel engine preheating
  • Adds thousands of dollars to the value of an RV
  • TribridHot – three sources of energy for heating comfort
    • Uses engine heat when driving
    • Uses AC shore power for light duty heating and hot water use
    • Uses diesel fuel for heating in colder temperatures and continuous hot water


  • Maximum Interior Heat Exchanger BTUs 65,600
  • Continuous, Tank-less Hot Water 1.5 GPM
  • Engine Preheating Yes
  • Electric Elements 1-120VAC, 1650W
  • Fuel Diesel
  • Max Fuel Usage .41 GPH
  • AVG Fuel Usage /Day Dry Camping 1-4 Gallons
  • AVG Fuel Usage/Day Shore Power 1-2 Gallons

Fill out the form or call John Carrillo at (970) 518-3085 for a quote!