# Wireless room thermostat Euroster E4020 TXRXB — black

**URL:** https://aio.lv/en/product--euroster-eue4020txrxb--11867874
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** Euroster
**Manufacturer code:** EUE4020TXRXB
**EAN:** 5903240978564
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 91.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 75.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--euroster-eue4020txrxb--11867874

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Wireless room thermostat Euroster E4020 TXRXB in black. Compact wireless controller designed to regulate room temperature remotely via a paired receiver. Provides core thermostat functions for heating systems: setpoint adjustment, temperature control and on/off switching. Suited for residential or light-commercial heating applications where remote temperature management is required.

## Long description

The Euroster E4020 TXRXB wireless room thermostat in black is a compact temperature controller designed for remote regulation of indoor heating systems. It pairs with a compatible receiver to provide setpoint adjustment, basic temperature control and on/off switching, enabling simple remote management of room temperature in residential and light-commercial environments. The device emphasizes straightforward operation and integration into systems where wireless thermostatic control is preferred.
Advantages
The thermostat offers wireless communication for flexible placement without additional wiring and a compact form factor that fits typical indoor installations. It delivers core thermostat functions—setpoint adjustment, temperature sensing and relay switching—allowing reliable control of heating circuits. Its black housing provides a neutral, unobtrusive appearance suitable for modern interiors, while the pairing capability with a receiver enables remote operation from different rooms.
Suitable for
Residential central heating systems requiring remote temperature control
Light-commercial spaces such as small offices or retail areas
Retrofit projects where adding wiring is impractical
Rooms where a compact, discreet thermostat is preferred
Key specifications
Control type: wireless room thermostat with paired receiver operation
Functions: setpoint adjustment, temperature measurement, on/off switching
Form factor: compact wall-mounted unit in black finish
Application: residential and light-commercial heating systems
Installation: wireless communication removes need for direct wiring between sensor and receiver
How to use
Install the paired receiver according to the receiver manufacturer’s instructions and mount the Euroster E4020 on an interior wall away from direct heat sources and drafts. Pair the thermostat with the receiver following the supplied pairing procedure, then set the desired temperature using the device controls. The thermostat measures room temperature and sends on/off commands to the receiver to control the heating circuit based on the selected setpoint.
Usage recommendations
For accurate temperature control, position the thermostat on an internal wall at typical living height, away from windows, doors, direct sunlight and heat-emitting appliances. Verify secure pairing with the receiver after installation and perform periodic battery checks if the unit is battery powered. Use the thermostat for straightforward on/off control in systems compatible with wireless relay receivers.

## FAQ

### How much does the Euroster E4020 TXRXB wireless room thermostat cost, and is it available for purchase?

The price is 91.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Euroster E4020 TXRXB wireless room thermostat be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Euroster products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Euroster service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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