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Webasto Heater EVO 40 Air Heater Diesel 12VOn Sale #:  31859
View all Webasto Isotemp Products in Cabin Heaters - Diesel, Propane & Solid Fuel
Webasto Heater EVO 40 Air Heater Diesel 12V


Webasto Heater EVO 40 Air Heater Diesel 12VClick to enlargeClick to enlarge

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Ends Midnight Sunday Dec. 15
A complete recirculating air instalation for most mid size boats in one box. Kit includes ducting and two closable warm air outlets.
More Details...   #31859
Brand:  Webasto Isotemp
MFG Part#:   AT3900
Our Price: CAD$4,849.95
Sale: CAD$4,499.00
You Save: CAD$350.95!
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  • Webasto Air Top Evo 40 Diesel Heaters provide continuous heat output via stepless modulation, ensuring constant cabin temperatures while consuming very little electrical power and fuel.
  • These Upgraded Air Top Evo Heater Models offer more comfort and convenience, safety and greater heat output for larger spaces
    • Spaces are more heated quickly and effectively within a short time
    • Thanks to the upgraded control system, energy consumption and noise generation are significantly reduced from older models
      • They are quieter and have lower power consumption due to state-of-the-art modern controls and a new fuel pump design
    • Additional functions such as altitude adjustment and automated cold start have been integrated as standard features
      • The Webasto Air Top Evo 40 incorporate an automatic cold-start system, providing up to 10% more heating power than previous models
    • More Output:
      • The Air Top Evo 40 has a maximum heat output of 13,650 BTU/hr
    • Because installation is fast and easy, this Air Top Evo model is a cost-effective solution for retrofitting
    • If necessary, two devices can be combined in order to heat even larger spaces
  • High-output unit suited for the most rigorous requirements
  • Composite casing resists high temperatures and salt
  • Precise electronic temperature control system maintains a constant cabin temperature
  • Powerful radial blower provides high air flow output
  • Can be upgraded with the new multi-mode user interface for additional operation modes depending on individual heating requirements
  • Ventilation mode to provide fresh air to cabins on a hot day
  • Low operating cost
  • Quiet operation
  • Compact, space-saving design


  • Heat Source: Diesel
  • Maximum Output: 13,650 BTU/hr
  • Fuel Consumption: 0.04 - 0.11 gal / hour
  • Power: 12 or 24 Volt DC
  • Rated Power Consumption: 15 - 40 Watt
  • Rated Current: 1.3 - 3.3 Amp (12 Volt DC) / 0.6 - 1.7 Amp (24 Volt DC)
  • Air Flow: 77.7 cfm
  • Dimensions: 16.65" L x 5.83" W x 6.38" H
  • Weight: 13 lbs
  • Air Outlet Diameter: 3.54"
  • Exhaust Diameter: 0.94"

Installation Kit Includes:


  •  (2) 5000266A 90 mm x 1.5 M PAK Flex Tube
  • (1) 5000753A 90 mm x 5 M PAK Flex Tube
  • (2) 5000316A 60 mm x 2 M PAK Flex Tube
  • (2) 60mm outlets
  • (2) 90mm outlets
  • (2) branch Y's
  • Fuel pump w/ enclosure
  • 25' fuel line
  • Complete exhaust system
  • Complete mounting hardware w/ bracket
  • (1) Evo M Controller

Serial Number - This product has a manufacturer's serial number that uniquely identifies the item. When your order ships, will record the serial number and add it to the history of the order. Should the item go missing before it arrives, we will register the serial number with loss and theft databases to prevent fraudulent use or resale of the item. There is no action required from you, and the serial number will only be used to prevent fraudulent activity associated with the missing item.
Webasto Heater EVO 40 Air Heater Diesel 12V
Webasto Heater EVO 40 Air Heater Diesel 12V
Click to enlarge

Webasto Heater EVO 40 Air Heater Diesel 12V
Click to enlarge

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Free Ground shipping via Canada Post (UPS or Purolator for some locations) within Canada on most orders of $99 or more (pre-tax).
Q. What do we 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

Please Note:
Remote areas which require an "air stage" for delivery 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

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days (45 days for purchases made in November) 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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