Non-return valve 1"M - 1"F De Dietrich 7879636

This non-return valve with 1-inch male to 1-inch female connections is designed to prevent backflow in heating and plumbing systems. It allows fluid to flow in one direction only, protecting pumps and other components from reverse flow damage. The brass construction ensures durability and corrosion resistance, making it suitable for boiler and burner applications. Ideal for installation in water or gas lines, this valve is a practical component for system maintenance and repair.