# Wired room thermostat TECH-STEROWNIKI R-S3 white (MPN R-S3 WG.23.0057)

**URL:** https://aio.lv/en/product--tech-sterowniki-r-s3-wg230057--11867726
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** TECH-STEROWNIKI
**Manufacturer code:** R-S3 WG.23.0057
**EAN:** 5902479665955
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.49 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 73.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tech-sterowniki-r-s3-wg230057--11867726

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.79 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

Wired room thermostat TECH-STEROWNIKI R-S3 in white is a temperature controller for indoor heating systems. It provides wired connection to HVAC or boiler controls, allowing manual setpoint adjustment and stable temperature regulation. Designed for residential or commercial rooms, it suits radiator or central heating installations requiring a wall-mounted, wired control unit.

## Long description

The TECH-STEROWNIKI R-S3 wired room thermostat in white is a wall-mounted temperature controller designed for indoor heating systems. It connects via a wired interface to HVAC controllers, boilers or central heating systems and allows manual adjustment of the temperature setpoint. The device is intended for residential and commercial rooms that require reliable, stable regulation of ambient temperature with simple, physical controls.
Advantages
The wired connection ensures a stable, interference-free signal between the thermostat and the heating control unit, reducing the risk of communication interruptions. The compact, white housing is suitable for most interiors and supports straightforward wall mounting. Manual setpoint control delivers intuitive operation without the need for mobile apps or wireless hubs. The thermostat provides consistent temperature regulation that can improve comfort and system efficiency when correctly installed.
Suitable for
 Room temperature control in residential apartments and houses
 Small offices and commercial premises with central or local heating
 Integration with boilers, HVAC controllers and radiator valves that accept wired inputs
 Retrofit installations where a wall-mounted, wired controller is preferred
Key specifications
 Type: Wired wall-mounted room thermostat
 Colour: White housing
 Control: Manual temperature setpoint adjustment
 Compatibility: Designed to interface with HVAC, boiler and central heating control systems supporting wired thermostats
 Mounting: Fixed wall installation
 Intended use: Indoor ambient temperature regulation
How to use
Install the thermostat on an interior wall away from direct sunlight, drafts and heat sources to ensure accurate ambient temperature sensing. Connect wiring according to the heating system manufacturer's wiring diagram, observing correct polarity and terminal assignments. Set the desired temperature using the thermostat's manual control. After installation, verify that the heating system responds to setpoint changes and make small adjustments to optimise comfort and efficiency. Installation and wiring should be performed by a qualified technician if required by local regulations.
Usage recommendations
For reliable performance, place the thermostat at typical room-occupancy height and avoid locations near doors, windows or heat-emitting equipment. Use quality, correctly rated wiring and secure terminal connections. If integrating with a boiler or HVAC controller, confirm compatibility with the system's control inputs and consult the system manual for recommended wiring and configuration.

## FAQ

### How much does the Wired room thermostat TECH-STEROWNIKI R-S3 cost, and is it available for purchase?

The price is 89.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 03.08.2026 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 Wired room thermostat TECH-STEROWNIKI R-S3 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 TECH-STEROWNIKI 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 TECH-STEROWNIKI 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

https://aio.lv/img/cache/product/11867726/67274078_large.webp