General Components Walrus Coolant Heater - Walrus 5000C Coolant Htr Oled | GC6331
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WALRUS 5000C 12 V Diesel Coolant-Heater Kit
The General Components GC6331 is the 12 V diesel WALRUS 5000C marine coolant-heater kit with digital control. It heats a circulating liquid circuit for compatible cabin fan coils and other approved hydronic applications.
Key Features
- Heat output: 2.4–5 kW (8,189–17,061 BTU/h).
- Diesel consumption: 0.27–0.62 L/h.
- 12 V operating range: 10.5–16 V.
- Running electrical consumption: 26–53 W (2.17–4.42 A at 12 V).
- Timer on/off operation with programmable run time.
- Kit includes fuel and coolant pumps, fuel line, wiring, mounting hardware and exhaust pipe with muffler. Through-hull fitting is separate.
Installation Notes
Have a qualified marine heating technician design and install the coolant circuit, fuel supply and exhaust route using the manufacturer’s instructions. Confirm circulation and correct filling/bleeding before commissioning. Preserve the electrical supply through the heater’s normal shutdown cycle.
View WALRUS 5000C manual, coolant diagrams and wiring
Parts Desk Insight
This is a coolant heater. Cabin heat also depends on the connected fan coils, coolant temperature and circulation, so plan the entire heating loop rather than selecting by heater output alone.
- Brand: General Components
- Manufacturer part #: GC6331
- Sold as: EA
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.