The ACT322 is designed to control water circulation in primary hot water and central heating circuits, by diverting flow to either circuit or to both simultaneously using a single valve;

For convenience the 2 neon indicator lights illuminate indicating which port is open; When the manual lever is moved to the right, ports A and B are open, this is used when filling, venting or draining the system. The spring return, Mid position actuator – valve rests in the hot water only position;

The ACT322 actuator (part number 421001) is a replacement actuator for the Myson MPE 322, MPE 328, MPE3 3/4″, MPE3 1″, MSV 322, MSV 328 Power Extra 3 Port Motorised Mid Position Valves.

Box Contains – 1 x ACT322 actuator, 2 screws and set of instructions.

See photographs for instructions.
Actuator supplied with 2 fixing screws to fit 22mm & 28mm 3 port valve bodies
Is a replacement actuator for Myson MPE 322, MPE 328, MPE3 3/4″, MPE3 1″, MSV 322, MSV 328 Power Ext
Spring return, Mid position actuator – valve rests in hot water only position
2 neon indicator lights illuminate indicating which port is open
Double insulated therefore requires no earth connection
Is a replacement actuator for Myson MPE 322, MPE 328, MPE3 3/4″, MPE3 1″, MSV 322, MSV 328 Power Extra 3 Port Motorised Mid Position Valves