Based on this product's specifications, here are some alternatives and similar models
TDM Brass 1675 Press Elbow 18mm x 1/2 inch Female Thread
Summary description:
The TDM Brass 1675 press elbow is a high-quality plumbing fitting designed for secure pipe connections. Featuring an 18mm press connection on one side and a 1/2 inch female threaded connection on the other, it is ideal for professional heating and water supply systems. Made from durable brass, this fitting ensures long-lasting performance, corrosion resistance, and reliable leak-proof joints in various piping installations.