# Wall-mounted two-state room controller TECH ST-297V3 (3 mm glass) black

**URL:** https://aio.lv/en/product--tech-tsst297v3bk--11867725
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** TECH
**Manufacturer code:** TSST297V3BK
**EAN:** 5902479662954
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 107.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 88.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tech-tsst297v3bk--11867725

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

TECH ST-297V3 is a wall-mounted two-state room controller designed for on/off control of heating or HVAC equipment. It features a 3 mm glass front panel and a black finish. The unit provides simple binary (two-state) switching for room temperature management and is suitable for domestic and commercial interiors requiring a compact, surface-mounted control interface.

## Long description

TECH ST-297V3 is a wall-mounted two-state room controller designed for on/off control of heating and HVAC equipment. The device features a 3 mm glass front panel in a black finish and provides a compact surface-mounted interface for simple binary switching of room temperature systems. Its minimalist appearance and flat glass surface suit domestic and commercial interiors where a discreet, easy-to-clean control panel is required.
Advantages
The glass front panel ensures a smooth touch surface that is resistant to wear and easy to maintain, while the two-state switching logic delivers straightforward on/off control without complex programming. Surface mounting simplifies installation on existing walls and reduces the need for recessed boxes. The black finish provides a neutral appearance that integrates with a variety of interior styles.
Suitable for
On/off control of radiators, convectors, or electric heaters
Basic HVAC switching in residential rooms
Commercial interiors requiring a compact wall-mounted control
Retrofit projects where surface-mounted controllers are preferred
Key specifications
Control type: two-state (binary) on/off switching
Mounting: surface-mounted (wall-mounted)
Front material: 3 mm tempered glass panel
Color/finish: black
Intended use: room temperature control for heating and HVAC equipment
How to use
Install the controller on a suitable flat wall surface at a convenient height for occupants, following electrical safety standards and local regulations. Wire the unit to the heating or HVAC actuator according to the system wiring diagram provided by the installer or equipment manufacturer, ensuring power is disconnected before making connections. Use the controller to switch the connected device between on and off states to maintain the desired room temperature; the simple interface is intended for manual operation or integration with basic control systems.
Usage recommendations
Place the controller away from direct heat sources, drafts, or direct sunlight to avoid false triggers. Regularly clean the 3 mm glass front with a soft, non-abrasive cloth and a mild glass cleaner. For installations in humid or high-risk environments, verify compatibility with local electrical and safety requirements and consult a qualified technician for wiring and mounting.

## FAQ

### How much does the TECH ST-297V3 two-state room controller cost, and is it available for purchase?

The price is 107.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 06.07.2026 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 TECH ST-297V3 two-state room controller 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/11867725/67274077_large.webp