Kuuma Water Heaters - 20GAL FR0NT Water Htr 4WAY Mnt | 11870
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
20-Gallon Kuuma Marine Water Heater
The Kuuma 11870 is a 20-US-gallon vertical marine water heater with front heat-exchanger connections and four-way mounting plates. It can heat domestic water with shore-power electricity or available engine heat.
Key Features
- 120 V AC, 60 Hz, 1,500 W electric heating.
- Front aluminum heat exchanger.
- Four-way mounting arrangement.
- Temperature-and-pressure relief valve rated at 150 psi and 210°F.
Installation Notes
Confirm vertical installation space, front hose access, mounting support and the electrical supply. Have a qualified installer complete the plumbing, grounding and circuit protection. Fill the tank and purge trapped air before switching on the electric element.
View Camco/Kuuma model-selection catalog
Parts Desk Insight
Four-way mounting describes the mounting-plate arrangement. This is the vertical 20-gallon model, so check its required installed orientation rather than assuming it can be laid on its side.
Freight Alert: Oversize
- Brand: Kuuma
- Manufacturer part #: 11870
- 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.