Back in Stock — Kuuma Marine Water Heaters (42L & 76L)

Great news for boaters, live-aboards, and RV owners — the Kuuma Marine Water Heater range is back in stock at Action Outdoors!

These premium water heaters (formerly Force 10) have been hard to get, but we've just restocked three popular models. Whether you need compact hot water for a coastal cruiser or high-capacity supply for extended voyages, there's a Kuuma to fit your vessel.

🔥 Kuuma 42 Litre Water Heater — Side Mounts

$1,759.00 NZD | SKU: 411101-ASM

The 42 Litre (11 US gal) side-mount model is perfect for boats and RVs where side-mounting suits your layout. Compact enough to fit tight engine rooms while still delivering reliable hot water for showers and galley use.

• 1500W AC element (230V standard)
• Large heat exchanger — heats via engine cooling or electric
• TIG-welded aluminium tank with stainless steel case
• Dimensions: 475mm (L) × 410mm (W) × 410mm (H)
• ETL, UL, CE certified — ignition protected
• AS/NZS 60335.2.21-2002 approved

👉 Shop Now — Kuuma 42L Side Mount

🔥 Kuuma 42 Litre Water Heater — Front & Rear Mounts

$1,880.00 NZD | SKU: 411111

Same trusted 42 Litre capacity with front and rear mounting tabs — giving you maximum installation flexibility. Ideal for boats where the engine room or bilge layout demands front/rear attachment points.

• 1500W AC element (230V standard; 110V available on request)
• High-capacity heat exchanger + TIG-welded aluminium tank
• Stainless steel case for salt-air durability
• Front and rear mounting options
• Dimensions: 475mm (L) × 410mm (W) × 410mm (H)
• Full marine certification — ETL, UL, CE, ignition protected

👉 Shop Now — Kuuma 42L Front & Rear Mount

🔥 Kuuma 76 Litre Water Heater — High Capacity with Heat Exchanger

$2,359.00 NZD | SKU: 418101

The big one — 76 Litres (20 US gal) of hot water for serious cruisers, live-aboards, and larger vessels. No more rationing hot water on extended passages. The high-performance heat exchanger lets you heat water from your engine cooling system, saving power when you're off the grid.

• 76L capacity — enough for multiple showers and galley use
• 1500W AC element (230V) + high-efficiency heat exchanger
• TIG-welded aluminium tank, stainless steel outer case
• Direct replacement for Seaward and Atwood heaters
• Dimensions: 750mm (H) × 410mm (W) × 410mm (D)
• Multiple mounting options — fits cockpit lockers to engine rooms
• ETL, UL, CE certified — AS/NZS approved

👉 Shop Now — Kuuma 76L Heat Exchanger

Why Kuuma?

Kuuma (formerly Force 10) water heaters are trusted across the marine industry worldwide. Every unit features:

• Dual heating — Electric element + engine heat exchanger, used independently or together
• Marine-grade construction — TIG-welded aluminium tanks and stainless steel casings built for salt-air environments
• Full certification — ETL, UL, CE certified with marine supplement, ignition protected, and tested to AS/NZS standards
• Proven compatibility — Direct replacement for most Seaward and Atwood marine water heaters

Which Size Is Right For You?

Ships NZ-wide. These heaters sell out fast — don't miss out.

Browse our full range of Marine & RV Water Heating products.