ESPAR Airtronic D5 Marine Diesel Heater Kit - 18,800 BTUView all products in Cabin Heaters - Diesel, Propane & Solid Fuel #:  31955
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ESPAR Airtronic D5 Marine Diesel Heater Kit - 18,800 BTU

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For boats up to 49 feet or 15 m in length. Includes 3 1/2" x 33 feet of ducting, 3" x 20 ft ducting, loose duct fittings, 3 Y-Pieces, 3 Closable and 1 non-closable outlet, copper fuel lines, fire-resistant fuel adaptors, 10 feet of double-wall exhaust and a Digi-Controller with diagnostics.
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Brand:  Eberspaecher
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ESPAR Airtronic D5 Marine Diesel Heater Kit - 18,800 BTU

Since 1973, Espar has brought state-of-the-art German technology to the North American marketplace. Known for a comprehensive range of independent and compact diesel fuel heaters, they've made a name for themselves in the marine industry.

Eberspaecher is a family-owned company proud of its heritage and the quality products and services they provide globally. 2015 marked the 150th anniversary of Eberspaecher and Espar. Espar is proud to announce that they will officially assume the Eberspaecher name in the marketplace while maintaining "Espar" as a legal business entity.

The Airtronic D5 Kit comes complete with everything required for installation and is suitable for sailboats between 39 and 49 feet and powerboats between 32 and 42 feet.

The Airtronic D5 model offers a range of four thermal outputs to match your onboard heating needs closely. From a Low 4,100 BTU output to the "Boost" level of 18,800 BTU's, the Eberspaecher D5 Heater is compact, convenient, economical to run, and time tested for safety - with over 30 years of successful installations.

With power boat installations, the Eberspaecher Air Heater is normally installed in the engine area with hot air ducted to the cabins via flexible tubes. All you see are the discreet outlets in the cabins. Diesel fuel can be drawn either directly from the main diesel tank, with the included fuel metering pump, or if you have a gasoline engine, it is recommended to use a separate tank to hold the diesel. Fuel usage for the heater is such that only a small tank is needed.

With space, a premium in a sailboat, the compact size of an Eberspaecher D5 unit reflects this with the heater usually being fit in a stern/cockpit locker, and the exhaust being led away to the transom. The warm air duct system is led to the cabins behind panels and through interior lockers. All that can be seen are the outlets in berth/seating fascias. The ducts are kept as short as possible to maintain efficient airflow. As ducts pass through interior lockers, natural surface heat loss creates useful drying compartments. This surplus heat is also doing much for heating those hidden corners beneath the cabin floors. Fuel is drawn from the main diesel tank, and the actual consumption is so small it does not materially affect the capacity of fuel carried for the engine.

A 12 Volt battery connection is necessary to drive the initial ignition, fuel system and main air fan; however, the heater is designed to offer a balance of economic electrical draw with optimum heat and airpower performance.

Whether power or sail, an Airtronic D5 Eberspaecher diesel-fired heater will keep you warm and comfortable, no matter what the weather or season. Every Eberspaecher heater is engineered for years of reliable use and backed by a two-year, 2000 Hour parts and labour warranty. An international network of distributors and dealers ensures prompt, courteous service wherever you go.

Kit includes:

  • 3 1/2" x 33 feet of Ducting
  • 3" x 20 feet of Ducting
  • Loose duct fittings
  • 3 Y-Pieces
  • 3 Closable
  • 1 Non-Closable outlet
  • Copper Fuel Lines
  • Fire Resistant Fuel Adaptors
  • 10 Feet of Double Wall Exhaust 
  • Digi-Controller with Diagnostics. 
Note: Kits are not supplied with Combustion Air Silencers referenced in the Manual.

** Marine Consumer Notice: Eberspaecher has Certified Marine Dealers. These certified dealers are trained and have the experience for a Marine installation. They also are aware of applicable special requirements, such as American Boat and Yacht Council standards, United States Coast Guard and Canadian Coast Guard regulations. Warning! Improper marine installation can be dangerous, possibly life-threatening. Improper marine installation can cause injury to person(s) and/or damage to the equipment. The improper marine installation will result in poor performance, affect reliability, and cause increased maintenance. While you may think you have found a great deal on a heater, specialized parts are required for a Marine installation. Many times, buying these parts individually will exceed the cost of purchasing the proper heater kit from our certified dealers. Buy it right the first time and eliminate additional costs and frustration.

  Espar Marine Heating Brochure

  Espar Airtronic Marine Installation Manual
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Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

This item has a shipping surcharge of CAD$40.00 for each unit.
This amount will be added to the shipping charges listed above.
Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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