PPR coupling Supratherm 20 mm 2203961 for polypropylene piping systems

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.