... temperature control for fan coil, electrically operated valve, power-driven air valve and power-driv WSK-7 is often suitable for ... coil, electrically operated valve, power-driven air valve and power-driven air inlet of the central air-condition.Basic function:: 1. manual on/off ... *265mmNet Weight 19.5kgGross Weight 21kg Room thermostat/mechanical warm air-condition/ temperature controller of WSK-7