Free UK Delivery & Fast Despatch*
Worldwide Delivery Available
Largest Independent UK Stockists

Webasto Air Top EVO 40 4kW 12v marine heater kit with MultiControl HD 7-Day Timer | 4110220A

Part Number: 4110220A
  • Now $2,041.69 (ex. VAT)
  • (FREE UK Delivery)
Item out of Stock | Usually dispatched within 24 hours
Suggested Items:
  • Webasto Smart Control for Air Top and Thermo Top Heaters | 9030026D
    - More Info

Webasto Air Top EVO 40 12v boat heater installation kit

Webasto marine heater kit, a starter pack that's able to be upgraded to suit your needs if required.

Please Note -  When above timer upgrade is chosen from this listing, the standard controller pictured will be removed from the kit (if applicable). 

A compact, quiet, and economical heater. The Webasto Air Top EVO40 offers optimized fuel efficiency, requiring less than 1 litre of diesel fuel for 1 hour of maximum, whisper quiet heating. Programmable independent heating (does not use heat from the engine) for many types of Marine use. Certified for installation in passenger areas and in proximity to dangerous substances. 

This Webasto Air Top EVO40 heater comes with a complete installation kit to install into your boat. This components option can also be viewed perhaps as a starter kit, supplied with basic electronic temperature control. This kit does not include ducting or air outlets - please see our range of additional ducting outlets and digital controllers to enable a truly bespoke and cost-effective Marine solution.

Marine 12volt 4.0kw kit Contents:

• Webasto Air Top EVO40 self regulating 12 volt air heater with
• MultiControl HD 7-Day Timer with On-board diagnostics
• All electrical harnesses and connections
• 1.8m Stainless steel exhaust silencer supplied with lagging insulation
  (Alternatively measured lengths of 24mm Exhaust pipe are available if required)
• Copper Fuel pipe system, complete with fuel metering pump
• 1 x Fuel Stand Pipe
• All necessary clips and screws for this installation included
• Comprehensive installation manual
• Stainless steel Heater mount bracket
• Stainless steel exhaust hull skin fitting
• Webasto Air Top EVO40 24 months warranty 

This is a genuine Webasto warranted heater 24 months - In the unlikely event of a fault arising due to manufacturer defective parts or workmanship please just return heater to ButlerTechnik, or repair parts only, you choose !

Bespoke kits are available and can be built to order. Please discuss with our sales team your requirements.


We have a number of secure payment methods throughout our website

including Debit & Credit Card, PayPal (with interest free Pay-In-3) and Amazon Pay.

Credit cards and Paypal logo









You can enjoy total peace of mind when you shop online with ButlerTechnik.

Our site uses Secure Server software that encrypts your credit or debit card information, ensuring total protection of your payment details throughout your purchasing experience

Shopping at Butler Technik is always simple, safe and secure.

Please Note: Delivery prices quoted are excluding VAT.

UK Postage Table

Deliveries are made from Monday to Friday excluding Bank and National  Holidays.

Next Working Day Shipping * is available in UK Mainland for all orders placed before 15:00hrs. Orders placed after 15:00hrs will be dispatched the following working day on a next day service.

Orders placed on a Saturday or Sunday will be despatched the following Monday (except Bank Holidays) for expected delivery following business day (Tuesday)

For Next Business Day Delivery, please use the drop down menu under Shipping Options and select Next Day.

Standard 2-day shipping * is available to Scottish Highlands and Islands orders placed before 15:00hrs on stocked items. Items are despatched promptly sameday. UK Courier services are typically 2 day delivery for remote UK postcodes

WEEKEND deliveries in the UK may be possible if required at additional cost. For WEEKEND delivery quotation please call our Sales Team prior * 

Standard carriage / Free-shipping - please allow 2-5 working days from clearance of payment for delivery. Typically however delivery is much quicker and 98% of orders are delivered to UK addresses within 24 - 48 hours after dispatch from warehouse.

Delivery Times - Deliveries are made Monday to Friday (excl. public holidays) typically 2-5 working days from date of order for in-stock items if the FREE DELIVERY option is chosen. An email will be sent to inform you of dispatch of goods and due delivery date.  Next Day UK delivery may be selected at checkout for an additional cost.

Free worldwide delivery will not be available if one of the following is applicable to your order;

·         Your order has a total weight exceeding 18kgs

·         You already have a discount code applied to your order

·         Your basket contains a special order item that requires shipping additionally.

CANCELLATIONS and RETURNS - from our Online shop

(not including manufacturer warrantable items. Please speak to our Sales department or email if you believe your item has failed within warrantable circumstances)

You have the right to cancel your order within a 14 (fourteen) day "cooling off period", which starts the day after you receive your items.

If you wish to cancel under the UK Consumer Protections (Distance selling) Regulations 2000, you must inform ButlerBus Technik Ltd of your intention to cancel your order by either phone, email or post within the 14 (fourteen) day cooling off period.

You will then receive confirmation from ButlerBus Technik Ltd and given authorisation to return goods, please quote and include your original invoice number. We will only except goods back in a re-saleable condition.

Once we have received goods we will then issue you a full refund less any delivery charges. (You will be required to return goods at your cost by an insured and trackable method) If goods go missing we will only consider a

request for refund on proof of completed receipt/delivery of goods to ButlerTechnik from your nominated courier.

If you are unable to arrange a return please contact us. We can arrange collection on your behalf but a charge will be made which will be deducted from your refund total.

If a delivery charge was made on the original purchase this will not be refunded as this is a service which is concluded at the point of order. 

Orders that have already been processed and/or despatched cannot be cancelled; they must be returned to ButlerBus Technik Ltd for refund following receipt of goods by customer.

We will do our very best to assist and enable a quick refund process upon receipt of returned items.

Thank you for your continued understanding during this process

Returns address
ButlerBus Technik Ltd
Tillbridge Road Garage
United Kingdom

All costs relating to return shipping of correctly supplied goods shall be the responsibility of the purchaser.

ButlerBus Technik Ltd are not responsible for any shipping or insurance charges relating to return of goods. 

Please be aware that ButlerBus Technik Ltd may NOT be able to accept for full or partial refund/credit any items that have been prior installed by the customer before return.

Such goods/components shall be deemed 'used' and therefore unable for subsequent resale.

Specifically, but not exclusively, the return of prior installed electronic items used for purchaser diagnostic or trouble-shooting purposes shall not be considered for full refund. 

The decision to refund or partially refund prior installed items shall remain solely at the discretion of ButlerBus Technik Ltd.

The decision to refund or partially refund goods returned beyond 14 days after original date of sale shall remain solely at the discretion of ButlerBus Technik Ltd.

Your statutory rights are unaffected by the above. Consumers other than Business trade customers are further protected by

UK Consumer Protection (Distance Selling) Regulations 2000 

Showing our 1 review for Webasto Air Top EVO 40 4kW 12v marine heater kit with MultiControl HD 7-Day Timer | 4110220A. Write a review ›
Review Summary - 5 out of 5 based on 1 rating.
August 28, 2018 | Iain Airlie
Webasto Air Top EVO 40 4kW 12v marine heater kit with MultiControl HD 7-Day Timer | 4110220A

It's a webasto heater. Says it all, really.