# Radiator valve connector Schuller 20003, 2-piece set for 12 mm radiator pipe

**URL:** https://aio.lv/en/product--schuller-20003--11699790
**Data updated:** 2026-03-08 08:45 (EET)
**Category:** Heating Radiators
**Manufacturer:** Schuller
**Manufacturer code:** 20003
**EAN:** 9002588200033
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schuller-20003--11699790

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Two-piece radiator connector set Schuller model 20003 designed for connection to 12 mm radiator pipe. The set serves as a coupling for radiator controllers or valves, providing a mechanical link between the valve body and the metal pipe. Suitable for installation or replacement in domestic heating systems where a 12 mm pipe interface is required.

## Long description

Two-piece radiator valve connector set Schuller 20003 is designed to link radiator valves or controllers to 12 mm metal radiator pipe. The set provides a mechanical coupling that ensures a secure transition between the valve body and the pipe, suitable for installation or replacement in domestic heating systems where a 12 mm interface is required.
Advantages
The two-piece construction allows straightforward assembly and alignment during installation. Manufactured to fit 12 mm radiator pipe, the connector set provides a compact connection that minimizes space between the valve and the pipe. The design facilitates reliable mechanical contact and reduces the risk of leaks when installed correctly with compatible valves and proper sealing.
Suitable for
 Connecting radiator valves or thermostatic heads to 12 mm radiator pipe
 Replacement of existing radiator connectors in domestic heating systems
 DIY heating repairs and professional radiator installations requiring a 12 mm interface
Key specifications
 Configuration: 2-piece connector set
 Pipe size compatibility: 12 mm metal radiator pipe
 Function: mechanical coupling between valve/controller and pipe
 Application area: domestic radiator/heating systems
How to use
Shut off the heating system and drain the radiator or the relevant section of the piping before starting work. Remove the old connector if present, clean the pipe end, and check for burrs or damage. Position the connector pieces according to the valve manufacturer's instructions and slide them onto the 12 mm pipe. Assemble the valve or controller to the connector, ensuring correct alignment and engagement. Apply the recommended sealing method (such as compression fittings, olive, or compatible sealing tape) as required by the valve and local plumbing practice. After assembly, refill and pressurize the system, then inspect the connection for leaks and proper operation.
Usage recommendations
Use this connector set only with compatible 12 mm radiator pipes and valves. Follow valve manufacturer installation instructions and local plumbing codes. If unsure about sealing method or compatibility, consult a qualified heating technician to ensure leak-free and safe operation.

## FAQ

### How much does the Radiator connector Schuller 20003, 2-piece for 12 mm cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 07.07.2026 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 Schuller 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 Schuller 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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