Brass Champion/Superior Sprinkler Controller/Actuator Slow Drip

I've replaced all the rubber parts on my sprinkler controller (see the diagram of similar unit), but it still continues to have a very slow drip (inside the line). There's no visible water on the outside of the controller, but if I remove the anti-siphon cap I can see a slow drip. The unit

850DIAS (Anti-siphon) - Superior

Champion Sprinkler Valves & Parts

CHAMPION IRRIGATION PD 18SF/12001 Brass Full Circular Sprinkler Head, 1-1/2-Inch : Automatic Lawn Sprinkler Heads : Patio, Lawn & Garden

CHAMPION IRRIGATION PD 17SQ/11003 Brass Circular Flush Sprinkler Head, Quarter : Automatic Lawn Sprinkler Heads : Patio, Lawn & Garden

Valves and Actuators

TOP 10 BEST Drip Irrigation Repair in Los Angeles, CA - Updated 2024 - Yelp

SUPERIOR ACTUATORS 3200 - Ewing Irrigation

3/4 Brass Anti-Siphon Valve : Hydraulic Valves : Patio, Lawn & Garden

Brass Champion/Superior Sprinkler Controller/Actuator Slow Drip

850DIAS (Anti-siphon) - Superior

Brass Champion/Superior Sprinkler Controller/Actuator Slow Drip