• Eberspacher / Espar M3 D4R Airtronic 12V Marine Kit
  • Eberspacher EasyStart Pro Controller Timer with benefits
  • Marine installation example - diagram
  • Espar M3 D4R Airtronic 12V Marine installation Kit
  • Eberspacher / Espar M3 D4R Airtronic 12V installation Kit

Eberspacher / Espar

Espar Airtronic AM3 D4R Diesel 12V Marine Heater 3 Outlet Kit with EasyStart Pro Controller

3,313.50CAD

(Coming soon)

Core Features & Benefits
  • Features & Benefits
  • Marine exhaust with insulation and silencer included
  • Features & Benefits
  • Improved noise reduction with Airtronic's latest generation
  • Features & Benefits
  • Approx. 9 meter / 30 ft. of hot air ducting with 3 outlets included
  • Features & Benefits
  • Complete boat installation kit, easily customizable to meet specific boat build
  • Features & Benefits
  • Digital controller with integrated thermostat
Select additional options (Optional):
Extended Warranty for Peace of Mind:
Warranty Information
Shipping:
Calculated at Checkout
Availability:
IN STOCK
  • 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

Enhanced Heating Efficiency With Espar AM3 D4R Airtronic 12V Marine Kit

Get superior boat heating with the Espar AM3 D4R Marine Kit. This Airtronic marine kit comes with a 3 outlet hot air ducting system, capable of heating three separate cabins.
This 12V boat diesel heater is suitable for a 26-32 ft motor yacht or 32-39 ft sailing yacht. With a few extra accessories, outlet numbers or types/colors can be reduced or increased. Use duct wrap insulation to reduce heat loss when routing your ducting system.

EBERSPÄCHER AIRTRONIC – SELECTION GUIDE

Brushless Motor for Extended Turbine Life

The brushless motor in the Espar AM3 D4R Marine Kit ensures a longer service life of the turbine, providing durability and reliable performance. Due to its innovative design, the brushless motor is quiet, and maximizes the heating system's efficiency.
This is a recreational version of a regular D4L commercial boat heater, designed to operate with longer ducting systems than the commercial version. The D4R is designed for use with RVs, boats, yachts, and other marine applications.

Advanced Exhaust System and Integrated Silencer

One of the key components of this heater kit is the exhaust system, which is designed to meet the highest standards of comfort and safety. An adhesive aluminum sheet collects hot water excess from the exhaust drain pipe.
Integrated silencer reduces noise and improves comfort in combination with air intake silencer. If the installation instructions are followed, this boat heater will function flawlessly.

EasyStart Pro Controller for Precise Temperature Control

EasyStart Pro Controller, allows you to control and schedule the heater's run-time down to the minute.
The integrated thermostat allows accurate temperature control, therefore it is important to choose the controller's installation location carefully.

Comprehensive Marine Kit for Easy Installation

It's easy to customize the installation process with the Espar AM3 D4R Marine Kit, which includes all the necessary components. Check the “Kit-Include” tab for a complete list of items included in this boat kit, that you can customize to meet your needs.
You can do that by decreasing or increasing outlet numbers, customizing length, the diameter of the ducting system, color, or type of the outlets, making it quieter or even more efficient with duct wrap insulation. Get in touch with us for assistance if needed.

  • Airtronic D4R 12V heater unit.  3rd generation AM3 Airtronic
  • EasyStart Pro Timer (with integrated temperature sensor)
  • 6m / 19.7ft of ducting (90mm diameter)
  • 3m / 9.84ft of ducting (75mm diameter)
  • Y-branch (90mm) x 2 + reducers 90 to 75mm  x 2
  • Reducers for 75mm ducting
  • 90mm outlet with fitting x 1 
  • 75mm outlet with fitting x 2
  • Fuel Metering Pump with marine grade fuel line
  • Wiring harness
  • Stainless steel exhaust hull skin fitting (ID 30mm)
  • 30mm ID Exhaust hose with silencer / muffler and marine grade insulation + hard cover on top 2 m / 6.56 ft
  • Exhaust adapter (24-30mm) with water with drain coil 
  • Stainless steel heater mounting bracket - L shape
  • Combustion air silencer / muffler
  • Fuel Standpipe (600mm)
  • Screws, clips, clamps and other fixings required for installation

Technical Specifications of the Espar Airtronic AM3 D4R Diesel 12V Marine Heater 3 Outlet Kit with EasyStart Pro Controller

Fuel:
Diesel
Voltage:
12V
Part Number:
252957050000
Heat Flow:
900 - 4000 W (3070 - 13,650 BTU)
Number of Outlets:
3
Average Power consumption:
6 - 65 Watt
Average Power Consumption while Starting:
≤100 Watt
Dimensions L x W x H:
371 x 140 x 150 mm
Fuel Consumption:
0.03 - 0.135 gal/h (0.11 - 0.51 l/h)
Heater model:
Airtronic D4 / B4
Power output:
4kW

Included in the kit:

Enhanced Heating Efficiency With Espar AM3 D4R Airtronic 12V Marine Kit

Get superior boat heating with the Espar AM3 D4R Marine Kit. This Airtronic marine kit comes with a 3 outlet hot air ducting system, capable of heating three separate cabins.
This 12V boat diesel heater is suitable for a 26-32 ft motor yacht or 32-39 ft sailing yacht. With a few extra accessories, outlet numbers or types/colors can be reduced or increased. Use duct wrap insulation to reduce heat loss when routing your ducting system.

EBERSPÄCHER AIRTRONIC – SELECTION GUIDE

Brushless Motor for Extended Turbine Life

The brushless motor in the Espar AM3 D4R Marine Kit ensures a longer service life of the turbine, providing durability and reliable performance. Due to its innovative design, the brushless motor is quiet, and maximizes the heating system's efficiency.
This is a recreational version of a regular D4L commercial boat heater, designed to operate with longer ducting systems than the commercial version. The D4R is designed for use with RVs, boats, yachts, and other marine applications.

Advanced Exhaust System and Integrated Silencer

One of the key components of this heater kit is the exhaust system, which is designed to meet the highest standards of comfort and safety. An adhesive aluminum sheet collects hot water excess from the exhaust drain pipe.
Integrated silencer reduces noise and improves comfort in combination with air intake silencer. If the installation instructions are followed, this boat heater will function flawlessly.

EasyStart Pro Controller for Precise Temperature Control

EasyStart Pro Controller, allows you to control and schedule the heater's run-time down to the minute.
The integrated thermostat allows accurate temperature control, therefore it is important to choose the controller's installation location carefully.

Comprehensive Marine Kit for Easy Installation

It's easy to customize the installation process with the Espar AM3 D4R Marine Kit, which includes all the necessary components. Check the “Kit-Include” tab for a complete list of items included in this boat kit, that you can customize to meet your needs.
You can do that by decreasing or increasing outlet numbers, customizing length, the diameter of the ducting system, color, or type of the outlets, making it quieter or even more efficient with duct wrap insulation. Get in touch with us for assistance if needed.

  • Airtronic D4R 12V heater unit.  3rd generation AM3 Airtronic
  • EasyStart Pro Timer (with integrated temperature sensor)
  • 6m / 19.7ft of ducting (90mm diameter)
  • 3m / 9.84ft of ducting (75mm diameter)
  • Y-branch (90mm) x 2 + reducers 90 to 75mm  x 2
  • Reducers for 75mm ducting
  • 90mm outlet with fitting x 1 
  • 75mm outlet with fitting x 2
  • Fuel Metering Pump with marine grade fuel line
  • Wiring harness
  • Stainless steel exhaust hull skin fitting (ID 30mm)
  • 30mm ID Exhaust hose with silencer / muffler and marine grade insulation + hard cover on top 2 m / 6.56 ft
  • Exhaust adapter (24-30mm) with water with drain coil 
  • Stainless steel heater mounting bracket - L shape
  • Combustion air silencer / muffler
  • Fuel Standpipe (600mm)
  • Screws, clips, clamps and other fixings required for installation

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. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.

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

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