This system will extract up to 2.1kW of energy from the airstream of your diesel heater, heating a full tank of water from 20° to 40° in 8 minutes.


This system fits onto 75mm ducting.


The kit contains:

  • 12 or 18 litre vented tank, or option to remove tank
  • 3 tank connectors
  • 1 Small and 1 large heat exchanger with barbed fittings
  • 3 air ducting adaptors with screws
  • 1 metre silicone hose with pipe clips
  • Water circulation pump
  • 2 temperature controllers
  • Full assembly instructions and wiring diagram


Optional extras:

  • Hot air diverter - allows you to duct the hot air either to the hot water system or into your van. Manual operation.
  • Remote cable for operating the diverter valve from a distance.


Dimensions of water tank:

12L - 420 L x 150 W x 250 H

18L - 440 L x 180 W x 300 H

Bumper Bobil Heater - 75mm ducting

  • This product is CE marked. It complies with the requirements of the European health, safety and environmental protection legislations.

  • This kit now contains 2 large heat exchangers back to back rather than 1 large and 1 small heat exchanger. So the kit will differ slightly to the main product image.