Eberspacher Airtronic 802 Modulator Controller for Airtronic D2 D4 S2 M2 | 80210003

Part Number: 292100820003
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Eberspacher 802 Modulator Temperature controller for Airtronic heater models.

  • Comfortable room temperature control with a choice of heating or ventilation mode
  • Operating and Installation instructions provided in box 
  • Internal temperature sensor feature for improved control of room area comfort

This unit is supplied with extended runtime facility enabled. If you require 1 hr runtime enabled please reconfigure using the information within our installation instruction weblink below.

Electrical plug and connectors supplied
Electrical supply cable length - 300mm

Eberspacher 802 Modulator is designed for the following heaters

Eberspacher S2 Airtronic Heater 
Eberspacher M2 Airtronic Heater
 
Backwards compatible with Gen 1 Airtronic models below:
Eberspacher D2 Airtronic Heater 
Eberspacher D4 Airtronic Heater
Eberspacher D4S Airtronic Heater

Historical Product Codes

802
801
80110003
80210003
292100810003
292100820003

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Please Note: Delivery prices quoted are excluding VAT.

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 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.

Our returns policy does not include manufacturer warrantable items. Please speak to our support department or email sales@butlertechnik.com if you believe your item has failed within warrantable circumstances, or if you wish to return an item for refund.

Refunds and Right to Cancel

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. You can apply for a refund within 30 (thirty) days from the date of invoice.

Prior Notification of Intent

If you wish to cancel an order or submit a refund request under the UK Consumer Protections (Distance Selling) Regulations 2000, you must inform ButlerBus Technik Ltd of your intention to cancel or return your order by either phone, email or post within the 14 (fourteen) day cooling off period for order cancellation, or 30 (thirty) day period for refunds.

When Butlerbus Technik has received your request you will receive confirmation and given authorisation to return goods. Please quote and include your original invoice number. All goods must be in a re-saleable condition.

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 Butler Technik from your nominated courier. Once we have received goods we will then issue you a full refund less any delivery charges.

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 dispatched 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
FAO: RETURNS
ButlerBus Technik Ltd
Bridge Road
Aubourn
Lincoln
LN5 9FD
United Kingdom

    Specific Terms:
  • 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 30 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.

If you have any questions please ask our support department prior to returning any items.

Hello, we are wondering if the Eberspacher Airtronic 802 is the same as the Airtronic 801 controller harry
The 802 does not have the same functionality exactly as the 801. Unlike the 801 Airtronic controller the 802 does not have diagnostic fault error reading function. It works very similarly other than this, the user operation for on/off and room temp control is identical - but perhaps best to advise what heater model you have please if you wish us to confirm compatibility with your heater. Thank you for your enquiry
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I am planning to fit an S2 D2L heater. I have 3 questions please. 1. Can I fit an 802 controller with S2 D2L and does it just plug-in direct to the heater connector ? 2. Is it possible to extend the cabling (buy an extension cable) to have the 802 say 3 metres from the heater ? 3. Assuming just a basic / simple system ( e.g turn on the heater and switch off after 30 minutes / when people feel a bit warmer) - is the 802 controller all that is needed ? Mike
Morning Mike, Thank you for your enquiry. 1. Can I fit an 802 controller with S2 D2L and does it just plug in direct to the heater connector ? - The controller comes with its own plug housing and terminal which is going to need installing as per the wiring diagram. 2. Is it possible to extend the cabling (buy an extension cable) to have the 802 say 3 metres from the heater - Unfortunately we do not offer an extension harness for this part of the wiring loom, providing done properly there should be no problem in extending the harness to suit your install. 3. Assuming just a basic/simple system (e.g. turn on the heater and switch off after 30 minutes / when people feel a bit warmer) - is the 802 controller all that is needed? - If you are looking for a simple on off switch with digital display and set temperature then yes this is the best controller for you. if you are looking for an on/off switch with diagnostic then i would advice you go for the Easystart Select link below. EasyStart Select https://www.butlertechnik.com/item/Eberspacher/Easy-start-Select-controller-Airtronic-or-Hydronic-heater-221000341300/6SE If you are looking for the easiest installation then I would go with the Easystart Pro, but this is a seven-day timer, that can be used as an on/off switch or you can use it to set it for one hour and it will automatically switch off. Easiest installation because the harness already has the 4-pin plug installed we offer an extension harness up to 4 meters again comes with the correct 4-pin plugs so efficiently plug and play. Again I have put links below for you to see Controller EasyStart Pro https://www.butlertechnik.com/item/Eberspacher/EasyStart-PRO-for-Airtronic-S2-M2-and-Hydronic-S3-12v-24v-Heaters-221000352200/619 Extension harness https://www.butlertechnik.com/item/Eberspacher/Espar-Easy-Start-Pro-controller-timer-extension-harness-4m/6E8 If you have any other questions please let me know Kind Regards Liam Roberts
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I have this controller for my diesel heater but the heat on button is hard to operate. Can I buy a replacement button? I am able to operate it using the back of another button when I've the controller opened. Michael Norris

your 801 Eberspacher controller is a very popular temp control for airtronic heaters, unfortunately though Eberspacher do not supply repair parts for them. Occasionally in our heater repair workshops we may find ourselves with faulty display units where some parts are salvageable for your needs. Perhaps if you could email sales@butlertechnik.com your requirements - put in the subject line HEATER REPAIR WORKSHOP we could then check for you Regards David

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I have a faulty Eberspacher 12V D2 D4 D4 airtronic mini thermostat controller 221000320700 controlling my airtronic D4, 25 2113, Serial No 305775CC. Can I replace the failed controller with an 802 Modulator Controller for Airtronic D4 80210003 (Part Number 292100820003). There are four wires coming from my present unit and five wires coming from the 802 unit. This makes me think it is not compatible. Is there a wiring diagram for the 802 and how to replace the faulty four wire controller with the 802 five wire controller? Noel

The Eberspacher 802 Controller can be used with the Eberspacher D4 heater. The wiring is the same as the previous 801 controller. You will find the wiring diagram in our Eberspacher technical library at https://www.butlertechnik.com/downloads/cms/7593/eberspacher-espar-801-contoller-uk-wiring-diagram.pdf. If you require technical support please call +44 (0)1522243310 or email sales@butlertechnik.com.

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We have a narrow boat with a model 701 controller that is broke. Will your model 801 be compatible. We only want it for a timer and thermostat Carol Hill
Hi Carol, the Eberspacher 801 controller has been replaced by the 802 series version, very similar visually though. The 802 series, similar the 801 series does NOT have timer functionality as you wish for unfortunately. Please advise your exact heater model, perhaps send a photo of your Eberspacher heater data plate to sales@butlertechnik.com - this will allow us to recommend your best option of controller from Eberspacher's current range
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Hey. Is the 802 model plug and play. Or do I have to wire it up ? Anonymous
This Eberspacher controller cannot be described as ' plug 'n play' similar all Eberspacher controllers. It is supplied with new electrical plugs and terminals for you connect the controller into your existing installation wiring harness. It is necessary to crimp electrical terminals onto your heater harness therefore with a suitable crimping tool
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Eberspacher Airtronic 802 Modulator Controller for Airtronic D2 D4 S2 M2 | 80210003

£84.27 (ex. VAT)