# Wireless room thermostat TECH R-8Z black (works with L-8) model TSSTR8ZBK

**URL:** https://aio.lv/en/product--tech-tsstr8zbk--11867828
**Data updated:** 2026-03-09 17:44 (EET)
**Category:** Control Systems
**Manufacturer:** TECH
**Manufacturer code:** TSSTR8ZBK
**EAN:** 5902479662107
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

TECH R-8Z is a wireless room thermostat in black (model TSSTR8BK) designed to control indoor temperature remotely and compatible with L-8 devices. It provides basic thermostat functions for regulating heating systems, maintaining setpoint temperatures and enabling temperature scheduling where supported. Suitable for residential or light commercial heating control and retrofit installations requiring wireless communication.

## Long description

TECH R-8Z black is a wireless room thermostat designed for temperature control in residential and light commercial spaces. The device communicates wirelessly with compatible L-8 receivers to regulate heating systems, maintain chosen setpoint temperatures and support scheduling functions where the receiver or system allows. Finished in black, the thermostat offers a compact wall-mounted design suitable for retrofit installations and new builds that require simple remote thermostat control.
Advantages
The thermostat provides remote wireless control of room temperature without the need for new wiring to the boiler or actuator, simplifying installation in existing buildings. Its compact black enclosure integrates with modern interiors while offering straightforward setpoint adjustment and basic programming when used with compatible receivers. The wireless link reduces clutter and enables flexible sensor placement for accurate ambient temperature control.
Suitable for
Residential central heating control in apartments and houses
Light commercial spaces such as small offices or retail areas
Retrofit projects where adding wiring is impractical
Systems that use an L-8 compatible wireless receiver for actuator or boiler control
Key specifications
Form factor: wall-mounted room thermostat
Power: battery-powered (standard batteries, user-replaceable)
Display and controls: user interface for setpoint adjustment and mode selection
Communication: wireless link compatible with L-8 receivers
Controls: basic heating regulation and scheduling support when paired with compatible systems
Finish: black housing suitable for indoor environments
How to use
Mount the thermostat on an interior wall away from direct sunlight, drafts and heat sources to ensure accurate ambient temperature measurement. Insert fresh batteries and follow the pairing procedure to connect the thermostat to an L-8 compatible receiver; pairing instructions are provided by the receiver or system documentation. Use the on-device controls to set the desired temperature setpoint and to select operating modes available with your receiver. When scheduling is supported by the paired system, configure time-based setpoints via the receiver or gateway as applicable.
Usage recommendations
For reliable operation, replace batteries periodically and verify wireless pairing after power interruptions. Install the thermostat at a typical room height, avoiding external walls or nearby appliances that could affect readings. Consult the L-8 receiver documentation for full compatibility, detailed scheduling options and advanced configuration.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### 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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