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Aqua-Hot heater replacement systems displayed with logo for authorized service center.

Aqua-Hot Heaters | Replacement Diesel & Electric RV Heating Systems

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.

12 VDC heater with Motoraide, featuring a compact design and durable construction.
Sold out
$13,490.65

Heater, HH 12 VDC w/Motoraide (HHE-500-06M)

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...

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$13,490.65
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12 VDC heater with Motoraide, model HHE-500-05M, designed for vehicle use
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$14,530.35

Heater, HH 12 VDC w/Motoraide (HHE-500-05M)

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...

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$14,530.35
Sold out
12 VDC heater with Motoraide, featuring a compact design and durable construction.
Sold out
$14,402.15

Heater, HH 12 VDC w/Motoraide (HHE-500-04M)

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...

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$14,402.15
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12 VDC heater with Motoraide, featuring a compact design and durable construction.
Sold out
$14,336.70

Heater, HH 12 VDC w/Motoraide (HHE-500-03M)

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...

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$14,336.70
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12VDC 1650W electric heater with inner coil and Motoraid for vehicle applications.
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$9,040.95

Heater,HH 12VDC 1650 W-EL Inner DW-Coil w/Motoraid (HHE-500-09M)

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...

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$9,040.95
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Heater with inner DW-coil and Motoraide, designed for 12 VDC and 1650 W power.
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$9,384.20

Heater, HH 12 VDC 1650 W-EL Inner DW-Coil w/Motoraide (HHE-500-08M)

This unit has been discontinued. Please see the replacement listed under ‘For Upgrade.’

$9,384.20
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12 VDC heater with Motoraide, model HHE-500-07M, discontinued unit shown.
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$17,175.05

Heater, HH 12 VDC w/Motoraide (HHE-500-07M)

This unit has been discontinued. Please see the replacement listed under ‘For Upgrade.’

$17,175.05
Sold out

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