Kuuma 240V 11 Gallon Water Heater, Part 11861, Front Mount Front Heat Exchange

The Kuuma 240V 11 Gallon Water Heater, part number 11861, brings the convenience of hot water on board for clean-up after a meal or warming up after a swim. Built for the demands of a marine environment, the tank and case are constructed of marine-grade aluminum alloy that resists corrosion from saltwater exposure and constant humidity, and the unit is TIG welded for a durable, long-lasting build. Kuuma water heaters are the choice of many original equipment manufacturers, and this model is UL listed to UL174.

This 11 gallon unit uses a front mount arrangement with a front heat exchanger, and it is sized to fit into the tighter equipment spaces typical on boats at 16.25 inches wide, 16.25 inches high, and 23.25 inches deep. It runs on a 240V, 60Hz, 1500W electrical input with L1 and L2 wiring, and it is fitted with a temperature and pressure relief valve rated to 150 psi and 210 degrees F, CSA certified. The 11 gallon capacity gives it enough hot water output to accommodate several people aboard.

Specifications

• Brand: Kuuma
• Manufacturer Part Number: 11861
• Capacity: 11 Gallon
• Dimensions: 16.25 in W x 16.25 in H x 23.25 in D
• Weight: 29.5 pounds
• Mount Alignment: Front-Rear
• Heat Exchanger Position: Front
• Electrical Input: 240V - 60Hz/1500W
• Wiring Configuration: L1 & L2
• T&P Valve Type: 150 psi & 210 degrees F, CSA
• Material: Marine-grade aluminum alloy case, aluminum tank
• Certification: UL listed to UL174
• UPC: 014717118613

Fitment

This water heater is a standalone marine accessory intended for installation on boats with 240V electrical systems; no specific make, engine, or model fitment applies.

Replaces (OEM)

No OEM cross-reference numbers are published for this part.

Frequently Asked Questions

What is the capacity of the Kuuma 11861 water heater? The Kuuma 11861 holds 11 gallons of hot water, enough capacity to accommodate a few people on board.

What voltage does part 11861 run on? This Kuuma water heater is a 240V unit, running on 240V - 60Hz/1500W with L1 and L2 wiring configuration.

How big is the Kuuma 240V 11 gallon water heater? Part 11861 measures 16.25 inches wide, 16.25 inches high, and 23.25 inches deep, sized to fit into tighter boat spaces.

How much does the Kuuma 11861 weigh? The Kuuma 11861 water heater weighs 29.5 pounds.

What is the mount arrangement for this water heater? The 11861 uses a Front-Rear mount alignment with the heat exchanger positioned at the front of the unit.

What is the tank and case made of? Kuuma builds the 11861 with a marine-grade aluminum alloy case and an aluminum tank, materials chosen to withstand saltwater and humid marine conditions.

Is the Kuuma 11861 UL listed? Yes, the Kuuma 240V 11 Gallon Water Heater is UL listed to UL174.

What is the pressure and temperature relief valve rating? The T&P valve on the 11861 is rated to 150 psi and 210 degrees F and is CSA certified.

How is the 11861 different from the 120V version? Part 11861 runs on 240V with L1 and L2 wiring, while the related 120V model uses L1 and N wiring; the two are different SKUs for different electrical systems, so confirm your boat's voltage before ordering.

Is this water heater built to last in a marine environment? The 11861 is TIG welded and constructed with marine-grade aluminum alloy specifically to resist corrosion from saltwater and constant humidity on board.

Do many boat manufacturers use Kuuma water heaters? Kuuma's line of water heaters, including the 11861, is used as original equipment by many boat OEMs.

What certifications does the T&P valve carry on the 11861? The temperature and pressure relief valve on the Kuuma 11861 is rated 150 psi and 210 degrees F and carries CSA certification.