Z-one Relay 6 Zone Valve Control 100074601 Item #4: SH-36

Item #4: SH-36

Perfect for small boiler/chiller systems

IV venting approved

Aspen 320-399

Item #15: SH-07 & SH-10 / Item #12: SH-12 thru 36

Z-one Relay 6 Zone Valve Control 100074601 Item #4: SH-36Relay (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