Fiber-reinforced noryl valve body for superior strength and durability, non-corrosive and UV-resistant. The valve provides a continuous service flow rate of 4.5 m³/h with a backwash of 1.6 m³/h. Its backwash capabilities accommodate softener tanks up to 12" and filter up to 10" in diameter. The 5600 valve features a fully adjustable 3- or 5-cycle control for efficient and reliable water treatment systems.