# Room controller TECH ST-293v3 black — two-state, glass front, flush-mounted

**URL:** https://aio.lv/en/product--tech-tsst293v3bk--11867695
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** TECH
**Manufacturer code:** TSST293V3BK
**EAN:** 5902479662893
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 105.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 87.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tech-tsst293v3bk--11867695

## 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-293v3 is a flush-mounted room controller in black with a glass front. It operates in a two-state (on/off) mode, intended to control heating or ventilation circuits that accept binary commands. The unit mounts under plaster for a discreet installation and provides a simple interface for switching loads or calling HVAC setpoints in residential and light-commercial spaces.

## Long description

TECH ST-293v3 black is a flush-mounted room controller with a glass front designed for two-state (on/off) operation. Intended for simple control of heating or ventilation circuits that accept binary commands, the unit installs under plaster for a discreet appearance. The device provides a clear touch interface suitable for residential and light-commercial interiors where straightforward switching of loads or calling preset HVAC setpoints is required.
Advantages
The controller combines a sleek black glass front with a compact flush-mounted design that minimizes visual impact on interior décor. Two-state operation ensures compatible and reliable switching of binary-controlled actuators, relays or contactors. The glass surface supports intuitive touch or press interaction and is easy to clean, while flush mounting offers protection and a low-profile finish. The unit is engineered for straightforward integration into standard wall-box installations and for consistent performance in typical indoor environments.
Suitable for
Switching heating circuits that accept on/off commands
Controlling ventilation units with binary control inputs
Lighting or auxiliary loads operated in two-state mode
Residential rooms, apartments and light-commercial interiors
Key specifications
Mounting: flush-mounted under plaster
Front material: glass
Color: black
Control mode: two-state (on/off)
Interface: tactile touch/press surface
Application environment: indoor use, residential and light-commercial
How to use
Install the controller into a compatible in-wall box and connect to the controlled circuit following applicable electrical codes and wiring diagrams. Use the touch or press surface to switch the connected device between on and off states or to call predefined setpoints if integrated with the HVAC system. Verify correct wiring and operation after installation and ensure the controlled actuator or relay responds to the two-state commands.
Usage recommendations
For reliable operation, mount the controller away from direct moisture and heat sources and use a suitably rated in-wall box. Confirm compatibility of the controlled equipment with two-state control and, if needed, consult a qualified installer for wiring and integration with existing HVAC or electrical systems.

## FAQ

### How much does the TECH ST-293v3 room controller cost, and is it available for purchase?

The price is 105.49 € (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-293v3 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

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