# Thermostatic valve set FERRO ZTM20 simple 1/2" for radiator connection

**URL:** https://aio.lv/en/product--ferro-ztm20--11700325
**Data updated:** 2026-03-08 08:46 (EET)
**Category:** Heating Radiators
**Manufacturer:** FERRO
**Manufacturer code:** ZTM20
**EAN:** 5902194940931
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 14.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ferro-ztm20--11700325

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

FERRO ZTM20 is a simple thermostatic valve set with a 1/2" connection for radiator heating systems. The set includes the thermostatic valve body and components for regulating flow and temperature at the radiator inlet. Designed for installation on standard 1/2" threads, it provides manual thermostatic control for room heating and balancing individual radiators in domestic or commercial heating circuits.

## Long description

FERRO ZTM20 simple 1/2" thermostatic valve set is designed for radiator connection in residential and commercial heating systems. The set contains a thermostatic valve body and the necessary components for regulating flow and temperature at the radiator inlet. Intended for installation on standard 1/2" threads, the valve provides manual thermostatic control and allows balancing of individual radiators to maintain comfortable and consistent room heating.
Advantages
The thermostatic valve set offers precise control of radiator flow and temperature through a compact, serviceable valve body suited to standard 1/2" connections. Its simple construction permits straightforward installation and maintenance while supporting system balancing to optimize heat distribution. Materials and design focus on reliable operation in domestic and light-commercial heating circuits.
Suitable for
 Individual room radiators in residential buildings
 Small commercial heating circuits such as offices or shops
 Retrofit projects replacing existing 1/2" radiator valves
 Systems requiring manual thermostatic control and radiator balancing
Key specifications
 Connection size: 1/2" suitable for standard radiator inlet threads
 Function: thermostatic flow and temperature regulation at radiator inlet
 Design: compact valve body with components for manual thermostatic control
 Application: compatible with domestic and light-commercial central heating systems
 Installation: designed for straightforward mounting on standard threaded radiator fittings
How to use
Shut down the heating system and drain the radiator area before removal of the old valve. Fit the FERRO ZTM20 valve set onto the radiator inlet using the standard 1/2" threads, ensuring correct orientation and tight, leak-free connections. Refill and purge the system to remove air, then adjust the valve to obtain the desired room temperature and balance flow between radiators. Periodically check for leaks and verify correct operation after system start-up.
Usage recommendations
For reliable operation, use the valve within typical hot-water heating temperatures and pressures specified for domestic systems. When replacing existing fittings, confirm thread compatibility and follow local plumbing codes. Regular inspection during seasonal maintenance helps ensure consistent performance and prevents leaks or blockages.

## FAQ

### How much does the Thermostatic valve set FERRO ZTM20 1/2" cost, and is it available for purchase?

The price is 17.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2711 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 03.07.2026 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. 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 FERRO 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 FERRO 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/11700325/67083405_large.webp