Bullet_point: ['Captured plunger - allows for the solenoid to be removed without losing the internal plunger', 'External bleed screw with removable metering pin - allows for easy cleaning of the metering pin without disassembling the valve', 'Heavy duty, corrosion and UV resistant PVC construction - increases the life of the valve', 'Manual external bleed screw - provides for manual operation in system start up', 'Manual internal bleed through solenoid - provides for manual operation without discharging water outside the valve'] (Page 1)