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Caleffi Zone Control Relay. ZVR104
Caleffi 4-Zone Valve Relay - ZVR104


Our Price: $175.00

Product Code: CAL-ZVR104

Description Technical Specs
Caleffi, ZVR series is 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 heating 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-oneā„¢ motorized zone valves.

  • Power supply: 120 VAC, 50/60 Hz
  • Transformer voltage: 24 VAC
  • Maximum transformer load: 40 VA (ZSR103/4), 80 VA (ZSR106)
  • Electrical switch rating: 20A Max Combined
  • Electrical switch rating: AUX, XX, ZONE1 E/S: 120 VAC, 2A each
  • Electrical switch rating pumps: 120 VAC, 5A 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

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