Z-one Relay 4 Zone Valve Control Hydro-Shark The weekly program runs in

The weekly program runs in 4 or 2 stages per day

• Power supply plugs into any standard 115 VAC outlet

Item #4: SH-29

The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems

easy to read and easy to use

Z-one Relay 4 Zone Valve Control Hydro-Shark The weekly program runs inRelay (multi zone) The ZVR series is a multi zone valve relay and boiler operating control for multiple zone hydronic heating systems. The ZVR series interfaces with low voltage thermostats or any other low voltage controllers having a switching action. The ZVR series controls up to 3, 4, 5 or 6 zones, depending on model selected. In addition, a system circulator pump and secondary pump is turned on whenever any zone calls for heat. LED indicators