Mueller Industries AY17865M 1-1/8" 3-Way Modulating Ball Valve

The Mueller Industries AY17865M 1-1/8" Modulating Ball Valve is a flow control component used to regulate the fluid direction and rate between three connected ports in hydronic HVAC systems. It can be described as a movable ball with a precision-machined bore that rotates to adjust flow path in response to positioner or actuator input. It is fitted in the piping circuits with suitable flanged or threaded connections and is supplied with control actuators and controls on the system. It helps in balanced distribution, proportional flow adjustments and effective temperature control in commercial and residential systems.