Vanne g1/2" anti-retour De Dietrich S100874

The valve g1/2" backflow preventer is a safety device that stops reverse flow in water or gas lines, protecting boiler and heating systems from contamination or damage. With a G1/2" thread, it is easy to install in existing pipework. This valve is a critical spare part for maintaining system integrity and ensuring compliance with safety regulations in burner and boiler installations.