• Espar Airtronic M3 D4L 24v Heater Kit
  • Espar Airtronic M3 D4L 24v Heater
  • Eberspacher EasyStart Pro Controller Timer
  • Espar Airtronic M3 D4L 24v Heater installation Kit

Eberspacher / Espar

Espar / Eberspacher Airtronic M3 D4L 24v (4kW) Heater Kit

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$1,700.00
Core Features & Benefits
Select additional options (Optional):
Extended Warranty for Peace of Mind:
Warranty Information
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Availability:
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  • Free Shipping in US
    on orders $499
  • 24/5 Customer Support
    Shop with an expert
  • Easy Returns
    14-day Returns
  • Free Shipping in US
    on orders $499
  • 24/5 Customer Support
    Shop with an expert
  • Easy Returns
    14-day Returns

New Model with less noise and more capabilities. Integrated high altitude sensor allows you to operate this heater in higher altitudes. Blower fan produces less noise and clicking pump is no longer an issue.

Latest 2019 version - Highly recommended to use with EASYSTART PRO CONTROLLER

Brand new Eberspacher / Espar Airtronic M2 D4L 24v Air Heater Kit , upgraded Airtronic D4 Plus / D4S

Ideal for heating:

  • Truck / Lorry /
  • Van / Bus
  • Van Conversion
  • Camper / Camper-van / Caravan
  • Construction Machinery / Agricultural vehicles
  • Military / Army/ Defense / Emergency vehicles
  • Horse Box
  • Mobile Workshop
  • Boat (requires marine kit)
  • Fuel pump (24v)
  • Fuel hose
  • Exhaust Silencer
  • Electrical harnesses
  • Stainless steel exhaust pipe
  • Combustion intake pipe
  • Flexible ducting (90 mm. diameter) - 0.5 meter
  • Inlet grill
  • Air outlet ball type (90 mm. diameter)
  • Screws, clips and plastic straps required for installation
  • Installation manual CD

If you want to use this heater in a boat, you will need a marine installation kit. You can add it to your order at the bottom of this page. Please click here to see what is included in the marine installation kit.

Technical Specifications of the Espar / Eberspacher Airtronic M3 D4L 24v (4kW) Heater Kit

Fuel:
Diesel
Voltage:
12V
Max Power:
4 kW
H-Kit Compatible:
Yes (integrated), no additional kits required.
Part Number (Heater):
25.2729.05.0000 / 25.2729.05.00.00 / 252729050000
Part Number (Installation kit):
252720800000 / 25.2720.80.0000 / 25.2720.80.00.00 / 25 2720 80 0000
Heater model:
Airtronic D4 / B4
Power output:
4kW

Included in the kit:

New Model with less noise and more capabilities. Integrated high altitude sensor allows you to operate this heater in higher altitudes. Blower fan produces less noise and clicking pump is no longer an issue.

Latest 2019 version - Highly recommended to use with EASYSTART PRO CONTROLLER

Brand new Eberspacher / Espar Airtronic M2 D4L 24v Air Heater Kit , upgraded Airtronic D4 Plus / D4S

Ideal for heating:

  • Truck / Lorry /
  • Van / Bus
  • Van Conversion
  • Camper / Camper-van / Caravan
  • Construction Machinery / Agricultural vehicles
  • Military / Army/ Defense / Emergency vehicles
  • Horse Box
  • Mobile Workshop
  • Boat (requires marine kit)
  • Fuel pump (24v)
  • Fuel hose
  • Exhaust Silencer
  • Electrical harnesses
  • Stainless steel exhaust pipe
  • Combustion intake pipe
  • Flexible ducting (90 mm. diameter) - 0.5 meter
  • Inlet grill
  • Air outlet ball type (90 mm. diameter)
  • Screws, clips and plastic straps required for installation
  • Installation manual CD

If you want to use this heater in a boat, you will need a marine installation kit. You can add it to your order at the bottom of this page. Please click here to see what is included in the marine installation kit.

Choosing Guide

Option Choosing Guide for this product is coming soon, please contact support@heatso.com if you need help picking the right options or have any questions.

Shipping

  • United States - 1-5 Working Days
  • United Kingdom - 2-5 Working Days
  • European Union - 2-7 Working Days
  • Australia / New Zealand - 5-14 Working Days
  • Rest of World - 5-14 Working Days

There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.

View full shipping & Delivery information

Returns

You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though.

View full Returns & Refunds information

Warranty Information

Most heaters come with 2 year warranty + optional 1 year extended Warranty available

  • Parts - 1 Year Warranty
  • Refrigerators - 1 Year Warranty
  • AC Systems - 1 Year Warranty
  • Heavy duty heating equipment (10 kW+) - 1 Year Warranty
  • Other items - 1 Year Warranty

Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.

We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.

If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.

View full warranty Information

Customer reviews

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  • Description

  • Technical Specifications

    • Technical Specifications of the Espar / Eberspacher Airtronic M3 D4L 24v (4kW) Heater Kit

    Fuel:
    Diesel
    Voltage:
    12V
    Max Power:
    4 kW
    H-Kit Compatible:
    Yes (integrated), no additional kits required.
    Part Number (Heater):
    25.2729.05.0000 / 25.2729.05.00.00 / 252729050000
    Part Number (Installation kit):
    252720800000 / 25.2720.80.0000 / 25.2720.80.00.00 / 25 2720 80 0000
    Heater model:
    Airtronic D4 / B4
    Power output:
    4kW

  • Kit Includes

    • Included in the kit:

    New Model with less noise and more capabilities. Integrated high altitude sensor allows you to operate this heater in higher altitudes. Blower fan produces less noise and clicking pump is no longer an issue.

    Latest 2019 version - Highly recommended to use with EASYSTART PRO CONTROLLER

    Brand new Eberspacher / Espar Airtronic M2 D4L 24v Air Heater Kit , upgraded Airtronic D4 Plus / D4S

    Ideal for heating:

    • Truck / Lorry /
    • Van / Bus
    • Van Conversion
    • Camper / Camper-van / Caravan
    • Construction Machinery / Agricultural vehicles
    • Military / Army/ Defense / Emergency vehicles
    • Horse Box
    • Mobile Workshop
    • Boat (requires marine kit)
    • Fuel pump (24v)
    • Fuel hose
    • Exhaust Silencer
    • Electrical harnesses
    • Stainless steel exhaust pipe
    • Combustion intake pipe
    • Flexible ducting (90 mm. diameter) - 0.5 meter
    • Inlet grill
    • Air outlet ball type (90 mm. diameter)
    • Screws, clips and plastic straps required for installation
    • Installation manual CD

    If you want to use this heater in a boat, you will need a marine installation kit. You can add it to your order at the bottom of this page. Please click here to see what is included in the marine installation kit.

  • Choosing Guide

    • Choosing Guide

    Option Choosing Guide for this product is coming soon, please contact support@heatso.com if you need help picking the right options or have any questions.

  • Shipping & Returns

    • Shipping

    • United States - 1-5 Working Days
    • United Kingdom - 2-5 Working Days
    • European Union - 2-7 Working Days
    • Australia / New Zealand - 5-14 Working Days
    • Rest of World - 5-14 Working Days

    There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.

    View full shipping & Delivery information

    Returns

    You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though.

    View full Returns & Refunds information

  • Warranty Information

    • Warranty Information

    Most heaters come with 2 year warranty + optional 1 year extended Warranty available

    • Parts - 1 Year Warranty
    • Refrigerators - 1 Year Warranty
    • AC Systems - 1 Year Warranty
    • Heavy duty heating equipment (10 kW+) - 1 Year Warranty
    • Other items - 1 Year Warranty

    Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.

    We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.

    If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.

    View full warranty Information

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