ZVR104 Caleffi 4-Zone Valve Control

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 provide functional status and easy system troubleshooting.

The ZVR Series is a perfect match with Caleffi’s Z-one™ motorized zone valves. Power supply: 120 VAC, 50/60 Hz Transformer voltage: 24 VAC
Maximum transformer load: 40 VA (ZVR103/4), 80 VA (ZVR106)
Electrical switch rating: 20A Max Combined Electrical switch rating pumps: 120 VAC, 5A each Dry contact rating: AUX, XX, ZONE1 E/S:120 VAC, 2A each Resettable Fuse: automatic High Capacity 40 VA Transformer standard for 3 and 4 zone models expandable to 80 VA, and 80 VA for the 6 zone model.