AUTOTERM CombiBOIL + Air Diesel Heater Kit

Complete Hot Water & Heating Solution for Campervans, Motorhomes & Boats

The AUTOTERM CombiBOIL + Air Diesel Heater Kit combines efficient cabin heating with a reliable hot water system, providing a complete off-grid heating system solution for off-grid living, campervan conversions, motorhomes and marine applications.

Using the heat produced by an AUTOTERM Air Diesel Heater, the system efficiently warms both your living space and the integrated 12-litre CombiBOIL water tank from a single heating source.

For additional flexibility, the CombiBOIL is available with either:

• 500W 230V mains heating element

• 330W 12V heating element

This allows you to heat water from your diesel heater while travelling, or independently when connected to mains power.

How the System Works

Winter Mode

Warm air from the AUTOTERM diesel heater is routed through the CombiBOIL water heater.

• Heats the 12-litre stainless steel water tank

• Continues into the campervan to provide cabin heating

• Provides efficient use of available heat energy

Summer Mode

With the optional Winter/Summer Diverter Flap Y-Piece, the system can heat water without warming the inside of your vehicle.

• Hot air is diverted outside

• Water heating continues

• Interior temperature remains comfortable during warmer weather

AUTOTERM CombiBOIL Features

• 12-litre stainless steel hot water tank

• Built-in coolant heat exchanger

• Integrated pressure relief valve

• Rotatable stainless steel outer casing for flexible installation

• Available with:

  • 500W 230V heating element

  • 330W 12V heating element

• Built-in thermostat

• Closed-cell polyurethane insulation to reduce heat loss

• Standard G1/2” threaded water connections

• Integrated drain valve for winter storage

• Premium Western European manufacturing

The durable stainless steel construction provides excellent resistance against:

• Corrosion

• Saltwater environments

• Impact and vibration

Making it ideal for campervans, motorhomes, boats and off-grid applications.

AUTOTERM Comfort Boiler Controller

The included AUTOTERM Comfort Boiler Controller provides simple and precise control over your hot water system.

Controller Features

• Real-time water temperature display

• Adjustable temperature range: 50°C–80°C

• Adjustable heating hysteresis: 5°C–25°C

• Digital programmable control interface

Choose Your AUTOTERM Air Heater

The kit is available with either:

AUTOTERM Air 2kW Heater

Ideal for:

• Small campervans

• Standard wheelbase vans

• Compact installations

Uses 60mm ducting

AUTOTERM Air 4kW Heater

Recommended for:

• High-top vans

• Long wheelbase campervans

• Larger motorhomes

Uses 90mm ducting

Quality & Approvals

AUTOTERM heaters are manufactured to:

• ISO 9001:2015 quality standards

• E2 R10 approval

• E2 R122 approval for whole vehicle installation in road vehicles

Both the AUTOTERM Air Heater and CombiBOIL system include a 3-year manufacturer warranty.

Product Dimensions

CombiBOIL Dimensions:
579 × 270 × 272mm

Complete Kit Includes

Main Components

• AUTOTERM CombiBOIL 12L Water Heater

• AUTOTERM Comfort Boiler Controller

• AUTOTERM Air Diesel Heater

• Fuel pump

• Fuel pump mounting bracket

• 1m exhaust pipe

• Exhaust silencer

• Air intake silencer

• Exhaust heat lagging

• Fuel pickup tube

• Fuel line

• Power cable with integrated fuse box

• 4m control panel cable (upgrade options available)

• Fuel pump power cable

• Installation hardware

Internal Installation Kit

Includes:

• Heater mounting plate

• 60mm or 90mm air vent

• 3m of 60mm or 90mm ducting

External Installation Kit

Includes:

• External heater enclosure

• Two air vents

• 4m of ducting

2kW Heater Adapter Kit

When selecting the AUTOTERM Air 2kW heater, the kit includes:

• 2 × 90mm to 60mm ducting adapters

These allow connection between the heater and CombiBOIL system using 60mm ducting.

Why Choose the AUTOTERM CombiBOIL System?

✓ Hot water and heating from one integrated system
✓ Ideal for campervans, motorhomes and boats
✓ Efficient diesel-powered heating
✓ Optional 12V or 230V electric water heating
✓ Premium stainless steel construction
✓ Intelligent temperature control
✓ Designed for year-round adventures

FAQ

Can the AUTOTERM CombiBOIL heat water and heat the cabin at the same time?

Yes. The system is designed to use heat from the AUTOTERM Air Diesel Heater to warm both the cabin and the 12-litre CombiBOIL water tank.

Can I use the CombiBOIL when connected to mains power?

Yes. The CombiBOIL is available with either a 500W 230V mains heating element or a 330W 12V heating element, depending on your setup.

Is this kit suitable for campervan conversions and off-grid living?

Yes. It is designed as a practical off-grid heating system for campervans, motorhomes, boats and other off-grid applications.

Which AUTOTERM Air Heater should I choose?

The 2kW heater is best for smaller vans and compact builds, while the 4kW heater is better suited to larger campervans and motorhomes.