Skip to content
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085!
FREE USPS GROUND ADVANTAGE SHIPPING on items OVER $75.00 (UNDER 1 LB.) based on weight per item. If you can't find a part you are looking for, call or text us at 970-518-3085!
Model 450D (Diesel) - AHE-450-DE5

Model 450D (Diesel) - AHE-450-DE5

by Aqua-Hot
Save 8% Save 8%
$9,342.85
$9,342.85 - $9,715.58
$9,342.85
$8,595.42
$8,595.42 - $8,930.88
$8,595.42

The Aqua-Hot 450D Diesel Hydronic Heating System used in larger motorhomes and luxury RVs to deliver high-capacity heating and continuous on-demand hot water. The 450D is a powerful diesel-fueled system built for performance, comfort, and efficiency in all climates.

Important Information:
  • All-in-One Heating Solution – Provides both interior heat and continuous domestic hot water through a single, integrated system.
  • Recommended Antifreeze Replacement – Requires approximately 9 gallons of red or green antifreeze.
    Click here to purchase antifreeze separately
Heater Includes:
  • 450D Aqua-Hot System
  • Aqua-Hot Reporter Controller
  • Fuel Filter Assembly
  • Exhaust Elbow with Two Nipples
  • Overflow Bottle Kit
  • 2-Year Warranty
WARNING: PROFESSIONAL INSTALLATION RECOMMENDED
WHEN REPLACING AHE-450-DE4 & OLDER, THIS PART IS REQUIRED 
  •  Harness Adapter for Coach 
Help Me Find My Model Number
***  2 Week Lead Time Not Including Shipping Days ***

PRODUCT SPEC SHEET, MANUALS & GUIDES

Compact Hydronic Heating

Compact Hydronic Heating

  • Dual-Fuel Heat Generation: Combines an electric
    element with diesel or propane fuel source.
  • Single, Self-Contained Unit: Delivers residential-style interior heating with the ability to deliver a luxurious supply of continuous hot water at 110ºF-120ºF at a rate of 1.5 gallons per minute. It’s just like home.
  • Common Size Configuration Line-Up: Simplifies installation and on-the-line product changeovers.
  • Fast Installs: Zone port outlets are located on top of the tank for easy connection access. Mounting tray facilitates air intake, exhaust routing and fluid evacuation.
  • Aqua-Hot 400P: The propane hydronic system that puts 5th wheel and Class B into Class A Comfort Zones with a single system.
  • Owner-Friendly Diagnostics: Touch-screen Reporter monitors the Aqua-Hot & coach to provide real-time info to coach owners & service technicians. Compatible with RV-C or I/O Controls.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare