Solfex 22mm 2 Port Zone Valve

2 Port Motorised Zone valve, designed to operate as on-off regulators in closed water circuits in central heating, hot water and climate control installations. The 2 way valves are direct flow models, with the circulation direction from way A to way B, and normally closed in A (powered down). When power is applied to the motor, the valve opens and the microswitch closes (is there is one). In the event of a power failure, the valve automatically returns to the closed position at A, In this case, a cam enables the valve to be to be activated manually. This feature is also useful for the filling, bleeding or emptying of an installation. 100cm cable Valve returns to the closed position at A for safety in the event of power failure Useful for filling and emptying of an installation Features an actuator that can be removed without having to empty the installation Manufactured in brass making it resistant to corrosion and other alkali