Coude anti-retour 1« m3/4 » De Dietrich 7880539

The non-return valve elbow 1"m3/4" is a plumbing fitting that combines a check valve with an elbow for directional flow control. It prevents backflow in heating systems, protecting pumps and other components from reverse flow damage. This durable valve is ideal for installation in boiler and burner circuits where space is limited.