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Standard Espar Airtronic D4 Van Heater Kit with Digi-Max Controller

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Your Price:
$1,804.00 (You save $1,154.94)
***While Supplies Last***
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Product Description

The Espar Airtronic heaters are designed for many types of applications. These air heaters cycle quietly through four heat levels to maintain a desired temperature range, the Airtronic D4 puts out 13,650 BTU of clean comfortable heat. It has a higher heat output than competitive models and is equipped with a standard fan-mode for nights when air circulation is preferred instead of heating. This is the most popular Airtronic D4 kit which includes the Digi-Max Controller. It comes with everything needed for installation including: Heater, Digi-Max Controller, fuel system, mounting hardware kit and all ducting. Please note this heater kit is a van heater kit, it is not suitable for marine installations. If you would like a heater kit for your boat, please see  please see either our custom made heater kits or the Espar marine heater kit. This is a standardized kit, no substitutions or alterations are available. A muffler can be purchased separately to supplement the van kit.

The Digi-Max Controller is the latest generation of heater controls and is an Espar exclusive. It provides an easy to set digital display, an onboard ambient air temperature sensor, an adjustable auto shutoff, adjustable low voltage protection, records maintenance hours and displays trouble shooting tips for fault codes displayed.

Airtronic D4 Heater Benefits:

  • Produces up to 13,650 btu/hr of heat output at 3.3 amps
  • Economical
  • Low fuel and power consumption
  • Integrated control unit
  • Easy to install and maintain
  • Self-Diagnostics
  • A variety of control options available
  • Highest heat output available in the marketplace
  • Quick release cover for easy access and maintenance
  • EPA verified/CARB compliant for use anywhere in North America


Airtronic D4 Heater Applications:


Airtronic D4 Truck Heater kit includes:

  • Espar/Eberspacher Airtronic D4 heater, 12V (25.2113.05.0000)
  • Digi-Max Controller
  • Wiring Harness
  • Fuel System Parts
  • Air Intake System
  • Exhaust System
  • Ducting & Outlets
  • Mounting Bracket
  • Installation Hardware Kit
  • Installation Manuals
  • Warranty Information


*Note this heater kit is a truck heater kit and is not suitable for installation on a boat. Marine installations require a marine heater kit, which can be found here.

*If this standard kit does not meet your needs, we offer custom built installation kits, please contact us at 206-548-1306 for more information. Pricing for custom kits will vary from the standard kit.

What makes our heater kits special? Every heater and heater kit bought from us comes with technical support of your products from a certified Espar technician who can assist with installation, maintenance and repair questions (this is for questions only and does not include physical service).

Espar Airtronic D4 Van Kit Contents

Espar Airtronic D4 Technical Spec Sheet

Espar Marine Product Brochure

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