Belief 12V 4kW Diesel Air Heater Full Installation Kit

SKU: JPM4KW12V Learn More»
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Product Description

Belief 12V 4kW Diesel Air Heater Full Installation Kit, 2 Year Warranty. The Belief 4kW (ALT SP) diesel air heater full installation kit contains everything you need to undertake a complete professional installation to the same standard as the European diesel heater kits at a significantly lower cost. Belief heaters have been sold by Dieselheat for over 8 years and are an established brand representing quality and value for money.

The Belief 4kW heater is a particularly quite heater and has proven to be very reliable in both commercial and recreational applications.


  • Brushless fan motor with improved balancing for quite smooth operation*
  • Quieter fuel pump (than cheap Ebay heaters)*
  • Automatic altitude compensation*
  • Full suite of sensors and safety features
  • Thermostatic or manual heat control
  • Simple to use rotary control

*New Features on the ALT SP Model

Comprehensive Installation Kits Include:

  • High quality Belief diesel heater
  • Custom heavy duty stainless steel mounting plate (made by us)
  • High quality stainless exhaust system with muffler and 2 lengths of exhaust
  • Combustion air inlet and fuel pump silencers
  • Duct and vents
  • Simple to use rotary controller with instructions
  • Wiring loom, nuts screws, fuel line etc.
  • Choice of quality fuel tank to suit all applications (sold separately)
  • Installation instructions written by us based on our experience doing installs
  • 2 year warranty
  • Full phone backup and support, spares and service

Kit Contents:

  • Diesel air heater
  • 2 x Exhaust pipe and exhaust muffler
  • Inlet air silencer
  • Fuel pump silent mounting kit
  • Duct and 2 vent kit
  • Heavy duty stainless steel mounting plate
  • Wiring loom
  • Inlet air pipe
  • Fuel pump and mount
  • Fuel hose and connectors
  • User manual
  • Installation instructions
  • Rotary controller
  • Various nuts
  • Screws etc.

Installation Guide

Operating Guide

Product Manual

For Manual Controller, click here:

Product Manual



Brand Belief

Warranty Period: 2 Years

Product Category RV Heaters and Hot Water

Fuel Diesel

Depth (mm) 150mm 

Voltage 12V

Height (mm) 371

Fuel Consumption 0.1-0.28(L/Hour)

Net Weight (kg) 4.5

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For details relating to this product's warranty CLICK HERE


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