$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
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.
Save $2.70
$89.97
$87.27
Fan Validation Pressure Switch .15 WC ELX-375-010
The ELX-375-010 is a fan validation pressure switch rated at 0.15" WC that monitors combustion fan operation in hydronic heating systems. This safe...
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$89.97
$87.27
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Save $0.58
$19.23
$18.65
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Save $15.13
$504.38
$489.25
Aqua-Hot Retrofilt Reporter 2.0
The Retrofilt Reporter 2.0 is a complete 12VDC touchscreen controller system designed for hydronic heating applications. This kit serves as a direc...
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$504.38
$489.25
Save $15.13
