D1047 ProLine Air Blocker, 1.050"

• Air Blocker traps water in its chambers, blocking the head of air in the tank from entering the control valve, reducing iron oxidation in the valve.
• Extends service life and cleaning of control valve internal parts.
• Air Blocker showed no measurable pressure loss in testing.
• Air Blocker designed to twist lock (O-ring seal) into the Control Valve’s threaded base.
• Air Blocker will only work on Clack Control Valves.