Webasto Air Top Evo 3900 marine kit (2-3 oulets)

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£2,404.28
£1,899.99 (including 20 % tax)
You Save: £504.29

Webasto Air Top EVO 3900

The new EVO range has some exciting new features:

ECO mode for reduced electric consumption
Power mode PLUS for +10% more heat output (from 3500w to 3900 w)
Ventialtion mode to run air through the unit and vents without heating (ideal if you are pulling fresh air from outside the boat into the cabin)
A new Air-Top EVO controller (multi mode operation controller)

This kit is a 3.5kw diesel fired hot air heater suitable for running a dry heating system (ducting and vents). This marine kit is supplied with copper fuel piping and appropriate connections and fittings that should satisfy the BSS regulations for fitment onto an inland boat (if fitted correctly), however it is ofcourse still perfectly suitable for fitment into an offshore boat aswell.

Please look at the information below to find out more, if you would like any help or further information then please feel free to give us a call on 01353 663095

Webasto Air Top EVO 3900 kit contents

Twin outlet Kit contents

Air Top 3900 Evo marine heater 12v
Wiring harness
Dip pipe for main fuel tank
Fuel pump
Exhaust silencer, skin fitting, hoses and clips
Mounting bracket
EVO controller (functionality as described above)
90mm Air ducting (6m in total)
Two off air outlet 90^o(90mm dia)
90mm T-piece

Triple outlet Kit contents

Air Top 3900 Evo marine heater 12v
Wiring harness
Dip pipe for main fuel tank
Fuel pump
Exhaust silencer, skin fitting, hoses and clips
Mounting bracket
EVO controller (functionality as described above)
90mm Air ducting (6m in total)
One off air outlet 90^o(90mm dia)
Two off Assymetric Y-branch (90mm-60mm-90mm)
60mm Air ducting (3m im total)
Two off air outlet 90^o (60mm dia)

Specifications and dimensions

Dimensions of heater

423mm Long x 148mm Wide x 162mm H

Specifications

Heat output = 1.5 - 3.5kw (3.9kw on boost) (5,100 - 12,000 BTU, 13,400 BTU on boost)
Diesel Fuel consumption = 0.17 - 0.42 litres/hr (0.47 litres/hr on boost)
Rated voltage = 12v
Rated current for 12v = 1.3 - 3.3A (4.2A on boost)
Airflow = 140 m³ per hour (155 m³ per hour on boost)
Air ducting diameter = 90mm outlet, 60mm branches in some kits
Exhaust diameter = 24mm (0.94")

Inland Waterways considerations

Inland waterways considerations

The most popular boats for these units to be installed in are river Cruisers, this leads to a number of things needing to be considered:

Webasto heaters (including Webasto Air Top Evo and Thermo Top) use a top mounted dip pipe fuel take off. Therefore access to the top of the tank is neccessary (side access is possible, please ask for details),
All fuel pipe to pass BSS regulations will need to be copper or ISO7840 rated rubber,
Exhaust positioning, fuel supply and 12v supply will all be subject to BSS regulations,
One of our (Ely Boat Chandlers) members of staff is an independant Boat Safety Scheme examiner and would be happy advise a customer regarding BSS regulations relating to fitment of a Webasto Air Top EVO 3900 (or alternative model). Fitment of a marine diesel heater sounds problematic, but if you follow the installation manual provided and take account of BSS regulations it is pretty simplistic compared to many other DIY installations carried out by boatowners

How do I order?

How to order

Give us a call on 01353 663095, our opening times are shown on the website. If we aren't open then leave us a message or email us and we would be more than happy to call you back as soon as possible.
We will talk you through any questions you may have or any further information you require.
We can take safe and secure payment over the phone using a debit or credit card.
We take down your details and organise a courier to deliver to the address you specify*.

Or you can order through the website, leave your full details and we will contact you back to confirm your order, answer any questions, take payment and arrange delivery.

*We reserve the right to refuse free delivery in exceptional circumstances (At the proprietors discretion).

Choosing the right heating system

Choosing the right Heating System

As you will be able to see from other pages on our website we offer a number of heating solutions to suit your needs both inland and offshore, therefore we are in a great position to help advise you which product might best suit you. We believe one of the most important things is to think how you want to use the boat and then work backwards to identifty a product that will suit you. We have listed below what we consider to be the main advantages of installing a Webasto diesel heating system:

The Webasto Airtop unit itself is small and unobtrusive allowing you to mount it out of the way (for example in the engine bay)
Heating a boat by hot air is an effective way of heating the cabin quickly without having to wait for a system to warm up. Essentially it gives you near instant control over the temperature.
Be aware that when installing a Webasto Air Top you will need to run ducting around the boat / cabin to position outlets and hence distribute the heat.

At Ely Boat Chandlers we will spend time helping you to choose the right heating product to suit your needs. We can help you regarding installation questions, boat safety questions and performance questions. Please note that we are not Webasto main dealers and as such cannot carry out installation, warranty or repair work on Webasto products.

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