# Room regulator TECH ST-281 with RS communication, touch color display, 2 mm glass, white

**URL:** https://aio.lv/en/product--tech-tsst281wh--11959374
**Data updated:** 2026-03-11 13:58 (EET)
**Category:** Control Systems
**Manufacturer:** TECH
**Manufacturer code:** TSST281WH
**EAN:** 5902479660332
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 282.49 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 233.46 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tech-tsst281wh--11959374

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.06.2026 | free |
| Pickup points | 02.07.2026 | 1.99 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

TECH ST-281 is a room regulator with RS communication interface, featuring a touch-sensitive color display protected by 2 mm glass in a white housing. Designed for temperature control and HVAC system integration, it provides user input via touchscreen and communicates with controllers over RS link. Suitable for residential and commercial rooms requiring centralized or local regulation.

## Long description

TECH ST-281 is a room regulator designed for temperature control and HVAC system integration. The device features a touch-sensitive color display protected by 2 mm glass, housed in a white casing. It provides intuitive user input through the touchscreen and communicates with building controllers via an RS communication interface, enabling centralized or local regulation of room climate in residential and commercial environments.
Advantages
The touch color display gives clear visual feedback and simple control of setpoints and modes while the 2 mm protective glass improves durability and ease of cleaning. RS communication ensures reliable data exchange with compatible controllers and automation systems. Compact white housing allows unobtrusive wall mounting and integration into various interior styles. The design supports both local operation directly from the device and remote control through the RS link.
Suitable for
Temperature control in apartments, houses, and hotel rooms
Local room regulation in offices and commercial premises
Integration with HVAC and building automation systems using RS communication
Applications requiring a user-friendly touchscreen interface and protected display
Key specifications
Touch-sensitive color display with 2 mm protective glass
RS communication interface for connection to controllers and automation networks
White surface-mounted or recessed wall housing suitable for indoor installation
User input via touchscreen for setpoint and mode adjustments
Designed for room temperature regulation in residential and commercial settings
How to use
Mount the regulator on a standard wall surface at a representative height for accurate room sensing, avoiding direct sunlight and heat sources. Power and RS communication wiring must be connected according to the installer documentation provided by the automation system manufacturer. Use the touch color display to navigate menus, set temperature setpoints and select operating modes. When integrated into an automation network, verify communication with the controller and configure address and parameters through the system interface as required.
Usage recommendations
For accurate control, place the device away from radiators, air vents and windows. Clean the glass surface with a soft, lint-free cloth and avoid abrasive cleaners. Ensure RS connection and power are installed by a qualified technician and check compatibility with existing controllers before installation.

## FAQ

### How much does the TECH ST-281 room regulator with RS communication cost, and is it available for purchase?

The price is 282.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 29.06.2026 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 TECH ST-281 room regulator with RS communication 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 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 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/11959374/67404751_large.webp