Zawór zwrotny zapobiegający cofaniu się wody De Dietrich 711498000

This backflow preventer check valve combines two functions to protect heating systems from reverse flow. A crucial part for boiler spare parts and burner spare parts, it ensures safe operation in gas burner parts and heating equipment components. Designed for reliability, it prevents contamination and pressure issues. Suitable for maintenance and repair, this valve supports long-term system health.