Remote SOMMER 4020 TX03-868-4

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Reference : : Y4020V000

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Model 4020 TX03-868-4
Reference : Y4020V000
Frequency 868.8 MHz
Number of buttons 4
Type of programming Programming with the receiver
Type of battery CR2032
Dimensions 10 x 6 x 2 cm
Battery and instructions included Yes
universal remote control(s) SICE WHY EVO 20.0 RED WHITE

SOMMER 4020 TX03-868-4 remote control available only in one colour which is white with red buttons. This remote control can be ordered as a replacement to the old model SOMMER 4026 TX03-868-2 which is a 2 button model and is 100% compatible to it. However they are not at the same price !

The SOMMER with the reference 4020 TX03-868-4 is a 4-button remote for gates, using the frequency 868.8 MHz. 

Product description and properties


To improve your daily comfort when using your motorized gate, SOMMER 4020 TX03-868-4 remote control is the best option. By having this type of transmitter, you will reduce your efforts everytime you want to use your gate.

The original SOMMER 4020TC03 868 4 remote control will allow you to control your motorized gate remotely in a very simple way !

This transmitter is programmed from the receiver. It has 4 red buttons and is easily used by its tube shape. 

For more information on this gate fob, consider looking through the manual (PDF) or you can check out the video below which explains in detail all the main steps to assist you in programming your 4020 TX03-868-4 gate remote control.

Important information


WARNING: please do not confuse the SOMMER 4020 remote control with the identical-looking model from APERTO, the TX03-434-4. They are not compatible with each other. Before you order your new remote, please verify the brand of your remote control, which should be Sommer in this case. Check as well the colour of the LED light, which should be red.


Note: This remote control has a shape of a lighter and is a 4-channel model, that exists in 2 buttons TX03-868-2.

These two models are not compatible:  if the LED of your remote control Sommer 4026 TX03-868-2 is green, choose the model APERTO TX02-434-2.


What do you need to know about this remote control?

The remote control’s operation


A high-quality original Sommer 4020 TX03-868-4 remote control operates with a frequency of 868.8 MHz to emit signals to the receiver and is powered with a battery 3V. The programming is done in the receiver


Sommer 4020TX03 868-4 remote control replaces the following Sommer gate remotes:


It is compatible with the following Sommer gate remotes: 

  • SOMMER 4026 (2 buttons, red LED)

  • All the SOMMER 868 MHZ series


We supply a radio receiver compatible with all SOMMER 868 MHZ versions as the one displayed here: SOMMER 4796-RM02-868-2


Note: Should be noted that the transmitter has four buttons that are not visible in the retracted position. Besides, Sommer 4020 TX03-868-4 transmitter operates under the frequency of 868.8 MHz. In order to establish a connection with your gate motorization Sommer, you have to do the registration in the receiver.


Sommer 4020 TX03 868 4 gate key fob is equipped with four buttons that control all the movements of your garage door according to your specifications. 

The remote control allows all automatic gates or garage doors operating on the 868MHz frequency. 

As for its programming, the device is an auto-programming model. It is easily programmed from an existing remote or from the receiver.

4020 TX03-868-4 a 4 channel remote control with an innovated design, it is powered by a 3V battery type CR2032. A range up to 100 meters!

Easy programming in the receiver


Good to know

When you get to replace your old transmitter, you should choose a model of the same brand to avoid any issues of incompatibility. Sommer 4020 TX03-868-4 remote control is recommended to replace the 4011 model produced by the same brand. Wayne-Dalton, Gypass, Lindpointner and Aperto are manufacturers specialized in products to access control. However, their remote controls are increasingly rare in the market. 

If your remote control belongs to any of these brands, opt for Sommer 4020 TX03-868-4 remote control as a replacement.



Sommer 4020 tx03-868-4 remote control is 87 mm long, a width of 24 mm and a thickness of 12 mm. It is very lightweight and has a shape of a lighter. Its small and reduced size makes it very simple to handle and easy to use. retractable remote control for easy carrying Original design, cylindrical shape and thin makes it easy to transport in your pocket, your bag or in the glove compartment of your car. It has four red buttons in a stainless steel casing. The handheld transmitter is a shock-resistant device which makes it very tough and strong under all kind of pressure or shocks.


How to program SOMMER 4020 TX03-868-4 remote control?


Important steps of the programming

Programming of your new remote control:


Caution: The programming button on the receiver is located at the edge of the receiver board. If you hold down the programming button for too long, you will delete all previously programmed remotes.

  1. Open the casing of your receiver located next to your motor. Then, press the programming button P. When the LED L1 on the receiver illuminates, let the button go.

  2. During the 5 following seconds, press the button you wish to program on your new remote control for 2 seconds. Let it go.

  3. Repeat this procedure for each button you wish to program. Wait 10 seconds.

  4. Your new remote control is programmed.


Can’t seem to program your SOMMER 4020 TX03-868-4 transmitter ? 

Fear not, our team is available to assist using our skills. Firstly, consider reading the programming instructions delivered with each 4020 TX03-868-4 remote control. Remote Control Express also provides instructional videos for most SOMMER remote controls. If you need any more help, you can call our free helpline. One of our specialists will take you through each step to help you program your gate remote control. You can even send us a photo using your tablet to +33 (0)616 962 454. This number is exclusively reserved for receiving MMS photos.


Frequently Asked Questions about this product

How to program my new SOMMER TX03-868-4 gate remote control without the old remote control?

If you have lost your handheld transmitter, you have to, for safety reasons, delete all the channels on the radio receiver. Then you should proceed with the registration of the transmitters:

  • Press the programming button (1) and hold it down until the LED flashes after 5 seconds. 

  • After 25 seconds, all the LED will light up.

  • Let go the programming button (1)

  • All your previously programmed remotes are deleted.

About the brand SOMMER


SOMMER is a German company, which offers everything around the garage door and gate engines. With a global network, the company is well-known throughout the industry. The brand has received the quality label "Innovative through Research" 2016, as Sommer always strives to invest a lot in the development of new products.

By choosing a remote controls for SOMMER garage doors or gates, you receive quality products. Whether the remote Sommer 4020 TX03-868-4, the remote Sommer 4026 TX03-868-2 or via the remote Sommer 4050 or the remote Sommer 4031: you have the possibility to buy the suitable remote Sommer for garage doors.


Remotecontrol-Express is the right website for the online purchase for SOMMER remote controls. Make an order with us now and we will send it where you want.



Why shop your SOMMER 4020 TX03-868-4 remote control on Remote Control Express?


- Advantage 1:

Hoping to receive your gate remote control quickly? Choose 24-hour delivery anywhere in United Kingdom.


- Advantage 2:

Purchase multiple remote controls and save money by taking advantage of our shipping offers. 


- Advantage 3:

Hoping to save time and be able to use your SOMMER 4020 TX03-868-4 gate remote control right now? You’ll be glad to know that all our remote controls come with batteries. As a result, you can quickly start using your item.


Our website will lead you through each stage of the process of buying your SOMMER 4020 TX03-868-4 remote control.

Keith 07/09/2023

« R »

Ken 22/04/2023

« Ok »

Stephen 15/12/2022

« Very efficient service ,job done works as it should,well done. Thanks »

Andrew 25/09/2022

« Very slow service »

Dr Marilyn 08/07/2022

« It does the job but is a bit big and clumsy on my keyring »

Richard 15/04/2022

« Always a pleasure receiving, pairing and using these lovely remotes »

ANTHONY 05/02/2022

« ???? »

Peter 08/11/2021

« your advice whilst trying to be helful was of no use and the diagram did not help at all »

Terrence 26/10/2021

« This purchase was a bad experience. The initial delay in delivery, that comes from France, not UK, was long and unacceptable. Then one of the 2 identical remotes that I ordered was ont the correct item. I returned it as requested and then there was a long delay in supplying the correct replacement, including the company saying that it had not been received some time after tracking showed that it had been delivered. This company clearly has a good and wide supply of remotes, but is service in fulfilling orders is very poor in my experience. »

Richard 11/01/2021

« Great and prompt service. »