Z-one Relay 3 Zone Valve Control Wired Thermostat Manifold Pressure Gauge Connector

Manifold Pressure Gauge Connector

Item #4: SH-19

Item #1: SH-12 thru SH-36

Alpine 500/600/700

The weekly program runs in 4 or 2 stages per day

Z-one Relay 3 Zone Valve Control Wired Thermostat Manifold Pressure Gauge ConnectorRelay (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