# Wired room thermostat TECH TSSTF-4ZV1BK two-position for frame systems F-4Z v1 – black

**URL:** https://aio.lv/en/product--tech-tsstf-4zv1bk--11982858
**Data updated:** 2026-03-11 16:37 (EET)
**Category:** Control Systems
**Manufacturer:** TECH
**Manufacturer code:** TSSTF-4ZV1BK
**EAN:** 5902479664156
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 112.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 93.38 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--tech-tsstf-4zv1bk--11982858

## 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

Wired room thermostat TECH TSSTF-4ZV1BK is a two-position (on/off) control unit designed for installation in frame systems F-4Z v1. Supplied in black, it provides basic temperature regulation for heating and cooling circuits where simple switching control is required. Suitable for residential and light-commercial interiors, it mounts in standard frames and connects via wired terminals for reliable room-level thermostat control.

## Long description

Wired room thermostat TECH TSSTF-4ZV1BK two-position for frame systems F-4Z v1 – black is a basic wired thermostat designed for simple on/off temperature control in residential and light-commercial interiors. The unit fits standard F-4Z v1 frame systems and provides straightforward regulation of heating or cooling equipment via a two-position switching output. Supplied in a black finish, the thermostat connects through screw terminal wiring for reliable room-level control.
Advantages
The thermostat offers a compact, frame-compatible design that integrates with F-4Z v1 systems and requires only basic wiring for operation. Its two-position switching logic simplifies installation and use where simple setpoint control is sufficient. The black housing delivers a discreet appearance suitable for many interior styles, while the wired connection supports stable signal transmission without dependence on batteries or wireless networks.
Suitable for
On/off control of residential radiators and convectors
Simple control of small fan-coil or electric heating units
Integration into frame-mounted control panels in apartments and offices
Replacement of existing frame-mounted two-position thermostats
Key specifications
Control type: two-position (on/off) switch output
Mounting: compatible with F-4Z v1 frame systems
Connection: wired screw terminal connections
Color: black housing
Application: room-level temperature regulation for heating and cooling circuits
How to use
Install the thermostat into an appropriate F-4Z v1 frame according to the frame system instructions. Make electrical connections to the two-position switching terminals, ensuring power is disconnected before wiring. Set the desired room temperature using the thermostat control and verify correct switching of the connected heating or cooling device. Commission the thermostat by observing its response to temperature changes and adjust wiring or placement if necessary to avoid drafts or direct sunlight which could affect measurements.
Usage recommendations
Place the unit on an interior wall at typical living height away from heat sources, direct sunlight, doors, and windows to ensure accurate temperature sensing. Use the thermostat for applications where simple on/off control is appropriate; for modulating or programmable control consider a different device. Ensure all wiring complies with local electrical codes and, if unsure, seek installation by a qualified electrician.

## FAQ

### How much does the Wired room thermostat TECH TSSTF-4ZV1BK cost, and is it available for purchase?

The price is 112.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 Wired room thermostat TECH TSSTF-4ZV1BK 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/11982858/67438465_large.webp