# Giacomini R401HX003 Angle Thermostatic Radiator Valve 1/2 inch M30x1.5

**URL:** https://aio.lv/en/product--giacomini-r401hx003--4619816
**Data updated:** 2026-06-10 09:24 (EEST)
**Category:** Heating Radiators
**Manufacturer:** GIACOMINI
**Manufacturer code:** R401HX003
**EAN:** 8009902201784
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 9.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--giacomini-r401hx003--4619816

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Giacomini R401HX003 is a high-quality angle thermostatic radiator valve designed for precise temperature control in heating systems. Featuring a 1/2-inch connection and M30x1.5 interface, this metallic valve ensures reliable regulation of hot water flow to radiators. It is an essential component for optimizing energy efficiency and maintaining comfort in residential or commercial heating installations.

## Long description

The Giacomini R401HX003 is a professional-grade angle thermostatic radiator valve engineered for precise thermal regulation in hydronic heating systems. This chrome-plated valve features a standard 1/2-inch connection for iron piping and an M30x1.5 interface, making it compatible with a wide range of thermostatic heads. Designed for durability and performance, it ensures accurate control over the hot water flow to your radiators, contributing to a more balanced and energy-efficient heating environment in both residential and commercial buildings.
Advantages
This valve offers exceptional reliability due to its robust construction and high-quality chrome plating, which provides both aesthetic appeal and resistance to corrosion. The inclusion of a protective cover ensures that the valve body remains in pristine condition during the installation process, preventing damage to the internal mechanisms. Its precise M30x1.5 connection allows for seamless integration with modern thermostatic actuators, enabling users to maintain consistent room temperatures and reduce unnecessary energy consumption.
Suitable for
Residential heating system upgrades
Commercial office radiator installations
Hydronic heating circuits using iron piping
Systems requiring individual room temperature control
When it may not be suitable
This valve is not intended for use in steam heating systems or high-pressure industrial applications that exceed the specified operational limits. It is also not compatible with radiators that require straight-pattern valves rather than angle-pattern configurations.
Key specifications
Connection size: 1/2 inch
Interface type: M30x1.5
Configuration: Angle pattern
Material: Chrome-plated metal
Application: Hot water heating systems
How to use
Installation should be performed by a qualified professional to ensure a leak-free connection to the iron piping. Once the valve body is securely installed, the protective cover is removed, and a compatible thermostatic head is screwed onto the M30x1.5 interface. After installation, the system should be bled to remove trapped air, and the thermostatic head can be adjusted to the desired temperature setting to begin automatic regulation.
What to consider before purchase
Verify that your existing piping is 1/2 inch iron pipe
Ensure the radiator orientation requires an angle-pattern valve
Confirm compatibility with your chosen thermostatic head
Check local building codes for heating system installation requirements
Usage recommendations
Regularly inspect the valve for signs of leaks or mineral buildup. Ensure the thermostatic head is not obstructed by curtains or furniture to allow for accurate ambient temperature sensing.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Metallic |
| Number of products included | 1 pc(s) |
| Built-in display | No |
| Smart thermostat | No |

## FAQ

### How much does the Giacomini R401HX003 Angle Thermostatic Radiator Valve cost, and is it available for purchase?

The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 01.07.2026 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 GIACOMINI 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 GIACOMINI 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

### Where can I download the instructions for Giacomini R401HX003 Angle Thermostatic Radiator Valve?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/4619816/59048404_large.webp