Based on this product's specifications, here are some alternatives and similar models
Conex reducer fitting B Press 22 x 15 mm P524302215000
Summary description:
Conex B Press reducer fitting, model P524302215000, for joining 22 mm to 15 mm copper or compatible press plumbing pipes. Designed for press installation, it provides a sealed mechanical connection without soldering. Suitable for potable water and central heating systems; used in plumbing repairs, new installations, and pipe resizing tasks.