ETA 13 May 2026

The Kuuma Water Heater in a practical 42 Litre capacity is purpose-built for life at sea. With front and rear mounting options, this marine water heater fits even tight engine rooms and compact bilge spaces, making hot showers and kitchen routines onboard more comfortable without demanding a full cabin redesign. Previously known as Force 10, this model is now offered under the Kuuma name, bringing dependable performance and modern certifications to your vessel.

What makes it stand out

• Versatile mounting: Front and rear installation compatibility gives you installation flexibility on a wide range of boats and layouts.
• Robust heating power: A 1500 W AC element delivers rapid, consistent hot water, keeping up with galley and shower demands on longer trips.
• Large heat exchanger & durable tank: A high-capacity heat exchanger paired with a TIG-welded aluminium tank ensures efficient heat transfer and long-term durability in a marine environment.
• Certified for safety and reliability: ETL listed to UL 174 standards, UL and CE certified with marine supplements, and ignition-protected to meet stringent marine safety criteria.
• Corrosion-resistant construction: Stainless steel case protects the unit in salt air and splash zones, maintaining performance year after year.
• Australian and global compliance: Tested and certified to the latest AS/NZS 60335.2.21-2002 standards (ESO Approval No. Q080349), with NZ Code compliance (411111 J - 10.06.22).
• Practical dimensions: Main chassis length 475 mm (560 mm including plumbing), width 410 mm, height 410 mm—designed to fit a variety of compact installations.

Key specifications at a glance

• Capacity: 42 Litre (11 US gallons)
• Power: 1500 W AC element (230 V standard; 110 V available on request)
• Construction: TIG-welded aluminium tank with a stainless steel case
• Mounting: Front and rear mounting options for flexible installation
• Certification: ETL (UL 174), UL, CE, ignition-protected; AS/NZS 60335.2.21-2002; ESO Approval No. Q080349
• Dimensions: 475 mm (main chassis) / 560 mm (including plumbing) × 410 mm × 410 mm
• Product Code: 411111

Who benefits most from the Kuuma 42 Litre Water Heater? boat owners and live-aboards who value quick, reliable hot water without sacrificing valuable space. It’s ideal for sailboats, motor yachts, and other marine platforms where installation flexibility, safety certifications, and durable materials matter as much as performance. Whether you’re planning coastal cruising or extended voyages, this heater keeps showers refreshing and galley tasks efficient, reducing downtime and improving on-board comfort.

With its thoughtful design and robust certifications, the Kuuma Water Heater offers a practical, long-term solution for marine hot water. If you’re upgrading an older system or installing a new setup, this unit delivers dependable hot water with flexible mounting, strong safety credentials, and marine-grade build quality that you can trust on the water.