Marine and RV Water Heaters Plus Engine Heat Exchanger Water Heaters

14 products

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Marine and RV Water Heaters – Comfort Onboard and On the Road

At Action Outdoors Ltd, we supply a wide range of marine and RV water heaters designed to keep your lifestyle on the road or water as comfortable as possible. From quick showers to washing dishes, having reliable hot water transforms the way you travel and live aboard. Whether you own a caravan, campervan, motorhome, or boat, our water heater solutions deliver efficiency, durability, and convenience.

Wide Range of Options

Our collection of marine and RV water heaters includes models to suit every type of setup:

Gas water heaters – economical and ideal for caravans, batches, and RVs.
Diesel water heaters – powerful, efficient, and perfect for long journeys.
Electric water heaters – convenient and straightforward where mains power is available.
Engine heat exchanger water heaters – innovative systems that use your engine’s energy to heat water on the move.

Each model is engineered for safety, long life, and ease of installation, ensuring dependable hot water wherever you go.

Why Choose Action Outdoors?

Versatility – heaters suitable for caravans, motorhomes, boats, and off-grid setups.
Efficiency – modern designs minimise fuel and power consumption.
Durability – built to withstand harsh marine and road conditions.
Comfort – enjoy home-like hot water on every journey.

Upgrade Your Travel Experience

Whether you’re anchored in a bay, parked at a campsite, or off exploring New Zealand’s backroads, our marine and RV water heaters ensure you never compromise on comfort. From compact gas heaters to advanced engine heat exchanger systems, we have the right solution to match your needs and budget.

Marine and RV Water Heaters Comparison

Type Best For Advantages Considerations Gas Water Heaters Caravans, RVs, batches- Affordable upfront

- Widely available fuel

- Reliable off-grid- Requires gas bottle refills

- Needs proper ventilation. Diesel Water Heaters, Motorhomes, boats, long trips- Very efficient fuel use

- Long run times

- Integrates with diesel systems- Higher initial cost

- Requires diesel supply, Electric Water Heaters, Campsites with mains power- Easy to install

- Silent operation

- No fuel storage needed- Dependent on 230V access

- Higher energy draw Engine Heat Exchanger Heaters Boats & motorhomes on the move- Heats water using engine’s energy

- Extremely efficient when driving

- Reduces fuel waste- Only heats when the engine runs

- Best paired with another heater type

Which Water Heater Should You Choose?

If you’re primarily staying at powered campsites, an electric water heater is simple and convenient. For off-grid adventures, gas and diesel heaters deliver reliable performance anywhere. Meanwhile, engine heat exchanger water heaters are the ultimate efficiency upgrade for those constantly on the move.

With our full range of marine and RV water heaters, Action Outdoors helps you enjoy the comfort of hot water wherever your journey takes you.

Shop Marine and RV Water Heaters Today

Upgrade your comfort on the road or at sea with our full range of marine and RV water heaters. From compact gas models to advanced diesel and engine heat exchanger systems, Action Outdoors has the perfect solution for every caravan, motorhome, or boat. Order online today and enjoy reliable hot water wherever your adventures take you.

Showing 1 - 14 of 14 products