Find Your Aqua-Hot Heater or Replacement Model
Use the filters on the left (or tap Filters on mobile) to locate your Aqua-Hot heater model. Once selected, you’ll see:
✅ Your current Aqua-Hot model — active or discontinued
🔄 Recommended replacement unit(s) — factory-approved alternatives
🔌 Required harness or pin kits — listed under “For Upgrade”
If your exact unit isn’t listed, choose the closest match to view the recommended factory replacement. Each product page includes lead time, upgrade notes, and technical specifications.
All Aqua-Hot diesel and electric hydronic heaters in this collection are OEM-grade replacements — engineered for consistent performance, quiet operation, and long service life in RVs, buses, and luxury motor coaches.
Sale
When replacing any models of AHE-450-DE4 & Older, the coach adapter harness is required.
Save $222.73
If your unit is sold out or discontinued, choose your model to see the recommended replacement. Some upgrades also require a harness or pin kit, wh...
View full details
Save $222.73
Save $211.38
Save $297.14
Save $211.38
Save $254.13
The Aqua-Hot Hydronic-D 67.5K BTU 12V Heater (AHE-675-D04) combines diesel and electric heating for maximum comfort and efficiency. Equipped with a...
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Save $296.84
The Aqua-Hot Hydronic-D 60,000 BTU 12V Heater (part AHE-600-D04) delivers high-efficiency diesel heating and continuous hot water for RVs, buses, a...
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Save $145.16
Save $231.53
