A complete 3 port (mid position) spring return zone valve with 22mm compression fittings and an auxiliary switch. This valve is designed for use on fully pumped central heating systems which, when correctly wired with an appropriate room thermostat, cylinder thermostat and programmer, will control the water flow from the boiler to either hot water only, central heating only, or to both simultaneously.

Synchronous motor driven with spring return and auxiliary switch (SPST) 1m industry standard 5 core flex Auxiliary switch with integrated manual lever Switch rating: 3A Resistive Supply voltage: 240V AC