Based on this product's specifications, here are some alternatives and similar models
Brass/zinc crimped MultiSkin GW coupling Comap 20 x M22 half-union with O-ring 7359GOW2022
Summary description:
Crimped MultiSkin GW coupling by Comap, model 7359GOW2022, constructed of brass and zinc. Designed as a 20 x M22 half-union with integrated O-ring, it provides a sealed mechanical connection for piping systems. Suitable for plumbing and heating installations where a durable, press-fit joint with corrosion-resistant materials and O-ring sealing is required.