Multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems. Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls up to 3 to 6 zones (model dependent). System circulator pump and secondary pump is turned on whenever any zone calls for heat. LED indicators provide functional status and easy system troubleshooting. ZVR series is a perfect match with Caleffi Z-one™ motorized zone valves.

Caleffi Z-one™ Multi-Zone Valve Switching Relay, 4 Zones, 120 V, 9-1/4 in Height, 11 in Width, 3 in Depth

• High capacity 40 VA transformer standard for 3 and 4 zone models

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Catalog.pdf
• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Instruction_Installation_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Specification_Sheet.pdf
• Warranty Information https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Warranty_Information.pdf
• Video Link https://youtu.be/WZ93oRqpczc?list=PLuuV0ELkYb5UsRZs-6EkxuKcCbaoxGsEA
• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Catalog.pdf
• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Instruction_Installation_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Specification_Sheet.pdf
• Video Link https://youtu.be/WZ93oRqpczc?list=PLuuV0ELkYb5UsRZs-6EkxuKcCbaoxGsEA
• Warranty Information https://assets.unilogcorp.com/267/ITEM/DOC/Caleffi_ZVR103_Warranty_Information.pdf