The contemporary tilt diaphragm design of the K-Rain ProSeries 100 makes these valves the perfect choice for residential and commercial applications. "•Heavy Duty, Corrosion and UV Resistant PVC Construction – Increases the life of the valve •Tilt Diaphragm/Piston Assembly – Allows for a straight flow path of water, increasing the flow rate while reducing friction loss •Debris Tolerant Design – Offers flexibility for use in potable or non-potable applications •Manual External Bleed Screw – Provides for manual operation in system start up and easy valve maintenance •Manual Internal Bleed Through Solenoid – Permits manual operation without discharging water outside valve •Captured Plunger – Remove the solenoid without losing the internal plunger •Self-Cleaning Screen – Screen is in flow path of water for self-cleaning action during operation"