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$49.43
$32.54
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Aqua-Hot Electrical Parts | Wiring Harnesses, Relays & Controllers
OEM Electrical Parts for Aqua-Hot Heating Systems
Keep your Aqua-Hot or Hydro-Hot hydronic heating system running reliably with genuine OEM electrical components. This collection includes everything from wiring harnesses and relays to sensors, thermostats, and control boards — all designed to meet Aqua-Hot factory specifications.
Using authentic electrical parts ensures safe operation, accurate diagnostics, and long-term performance for your RV heating system. Whether you’re troubleshooting a control fault or replacing an aging harness, our components deliver the quality and compatibility you expect.
✅ OEM Aqua-Hot electrical parts for all major heater models
⚙️ Includes wiring harnesses, control boards, thermostats, and relays
🔌 Ensures proper voltage, signal, and system communication
🚐 Perfect for RVs, coaches, and hydronic heating repairs
🧰 Tested to meet Aqua-Hot factory performance standards
Browse by model or use filters to find compatible parts for your system. Each product page includes part numbers, wiring details, and compatibility notes to make identifying replacements simple and accurate.
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$162.68
Cozy III Heat Exchanger - EXE-103-0EX
BTU's: 8,200 | CFM: 68 | Amps: 0.5 Width: 13.125 | Height: 3.625 | Depth: 6.5 | Barb Size: 0.75 | Fan(s): Two-12V DC Radial" Item Attributes ...
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$162.68
$16.95
3 Terminal Old Style Lighted Rocker Switch
For use on older aqua-hot models and has green lighted indicator window
$16.95
$23.22
Automotive Relay 40A SPDT ELX-375-040
Relay, Automotive 40A SPDT with Harness & Mount Used for controlling up to 40A pumps, fans & zones Used for reversing zone polarity for n...
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$23.22
