# PPR coupling Supratherm 20 mm 2203961 for polypropylene piping systems

**URL:** https://aio.lv/en/product--supratherm-2203961--10788274
**Data updated:** 2025-12-30 12:36 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** Supratherm
**Manufacturer code:** 2203961
**EAN:** 5945792203961
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 1.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--supratherm-2203961--10788274

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

PPR coupling Supratherm 20 mm (model 2203961) is a straight polypropylene (PP‑R) fitting for joining 20 mm pipes in plumbing and heating systems. Designed for secure, leak‑resistant connections with compatible PPR pipes, it is used in potable water, heating circuits and domestic plumbing. Simple to install with welding/fusion tools, it provides chemical and corrosion resistance and long service life.

## Long description

PPR coupling Supratherm 20 mm (model 2203961) is a straight polypropylene (PP‑R) fitting designed to join 20 mm pipes in plumbing and heating systems. Made of PP‑R material, the coupling is lightweight while offering high impact resistance, wear resistance and chemical resistance. It is suitable for use in systems operating at temperatures up to 90°C and is intended for secure, leak‑resistant connections with compatible Supratherm PPR piping.
Advantages
The Supratherm PPR coupling provides durable, corrosion‑resistant joints with long service life. Its polypropylene construction ensures resistance to many chemicals and mechanical wear, while the simple butt‑fusion or socket‑fusion installation process enables reliable, leak‑tight connections when used with appropriate welding tools. The compact 20 mm size is suitable for residential and light commercial plumbing and heating circuits.
Suitable for (use cases)
 Cold and hot potable water supply lines
 Domestic heating circuits and radiators
 Plumbing repairs and small pipe installations
 Air conditioning and HVAC return lines (compatible with PP‑R systems)
Key specifications
 Brand: Supratherm
 Model / MPN: 2203961
 EAN: 5945792203961
 Type: Straight coupling (socket/ butt fusion for PP‑R pipes)
 Nominal pipe size: 20 mm
 Material: Polypropylene random copolymer (PP‑R)
 Maximum service temperature: up to 90°C
How to use
Prepare pipe ends by cutting square and cleaning the surfaces. Install the coupling using the recommended PP‑R welding/fusion method (socket fusion or butt fusion) and appropriate fusion tools and parameters for 20 mm pipes. Allow the joint to cool undisturbed for the manufacturer‑recommended time before pressure testing or returning the system to service. Follow local plumbing codes and safety procedures during installation.
Usage recommendations
Use Supratherm PPR coupling 20 mm with compatible PP‑R pipes and fittings of the same standard. Do not exceed the specified temperature rating and follow welding tool instructions. For potable water systems, ensure fittings are approved for drinking water where required.

## FAQ

### How much does the PPR coupling Supratherm 20 mm 2203961 cost, and is it available for purchase?

The price is 1.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9438 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 19.06.2026 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 Supratherm 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 Supratherm 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/10788274/60037977_large.webp

