Diesel Combination Water and Air Heater

Diesel Combination Water and Air Heater: a diesel combination heater with a 10 litre hot water tank.

Diesel heaters, water heaters and the parts to fit and maintain them, including altitude kits, extended exhausts and controllers. This part is not van specific, and the listing says where the mounting position matters.

Specification and fitment

• Fits: Transit, Transit Custom, Sprinter, Crafter and Transporter builds, and most other panel vans
• Van body: not van specific
• Years: current range
• Specification: 4 kW heat and 10 litres of hot water
• Quality: premium European made
• Power draw: about 1.5 amps running
• Wiring: fused 20 amp feed
• Installation time: about 10 hours
• Regulations: the exhaust and combustion intake must be outside the van and a carbon monoxide alarm fitted inside, which is included
• Weight: about 16 kg
• Warranty: two years

What arrives

• Heater
• Fuel kit
• Exhaust
• Controller

Fitting

A diesel heater must have its exhaust outside the van, its combustion air drawn from outside and a carbon monoxide alarm fitted inside. The very cheap heaters sold online work, but they are not built to the same standard of fuel metering, exhaust sealing or control, and we sell both with that stated plainly rather than pretend there is no difference. Conversions are heavy. Batteries, water, furniture and insulation can add 500 to 800 kg, and a van that starts at 3.5 tonnes gross can end up overweight before anyone has packed a bag. Every listing states its weight, and it is worth weighing the empty van at a public weighbridge before the build begins. Tell your insurer about the conversion as it progresses, not afterwards. Since 2019 the DVLA has been strict about reclassifying vans as motor caravans on the V5C, and most specialist insurers will cover a converted van as a camper whatever the V5C says, provided they know what is in it. We supply and fit camper conversion parts for panel vans, and we build and live in our own. We are not Ford, Mercedes-Benz or Volkswagen and are not appointed by them; the van names describe fitment. Everything here is chosen for vans that get used all year, including the British winter, and we say plainly where a cheaper part would do the job.

Which version to buy

Parts Only is the parts delivered with our wiring diagram or fitting notes, for a self build or your own installer. Parts and Fitting is fitted at our workshop by our own installers, tested, and signed off with a written installation record.