Caleffi 4-Zone Valve Relay - ZVR104 Best value, Ships quick FAQMy AccountEmail Us702-485-1533 Get a Quote Account Cart 0 Menu Siemens Combustion Controls Siemens Combustion Controls Siemens LMV3 Siemens LMV5 Siemens SQM Actuators Siemens Scanners Siemens AZL Displays Siemens Pressure Transducers Siemens Control Valves Siemens 2-Way Ball Valves. Brass Trim Siemens 3-Way Ball Valves. Brass Trim Siemens 2-Way Ball Valves. SS Ball & Stem Siemens 3-Way Ball Valves. SS Ball & Stem. Popular Brands Caleffi Hydronics Badger Meters Power Flame Tjernlund Unilux Siemens HVAC Testo UltraSonic Flow Meters Plumbing Caleffi AutoFill Valves Badger Water Meters. Lead Free Caleffi Low Lead Pressure Reducing Valves Caleffi Low Lead Thermostatic Mixing Valves Caleffi Balance Valves, Low-Lead Caleffi Balance Valves With Thermometers, Low-Lead Heating Caleffi Cast Iron Balance Valves Caleffi Air Vents Caleffi Flow Switch Caleffi Zone Valves Zone Control Relays Siemens Hvac Controls Heat-Timer Overstocked Items Gauges Heat Exchangers Heat-Timer Temperature Controls Motors Steam Accessories Valves Hot & Chilled Water System Accessories Caleffi Zone Relay Controls Home > Heating > Zone Control Relays > Caleffi Zone Control Relay. ZVR104 Our Price: $138.88 Product Code: CAL-ZVR104 Qty: 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-one™ motorized zone valves.Power supply: 120 VAC, 50/60 HzTransformer voltage: 24 VACMaximum transformer load: 40 VA (ZSR103/4), 80 VA (ZSR106)Electrical switch rating: 20A Max CombinedElectrical switch rating: AUX, XX, ZONE1 E/S: 120 VAC, 2A eachElectrical switch rating pumps: 120 VAC, 5A eachResettable Fuse: automaticHigh Capacity 40 VA Transformer standard for 3 and 4 zone models - expandable to 80 VA, and 80 VA for the 6 zone model CLICK HERE FOR TECH SHEET Related Items Caleffi Zone Control Relay. ZVR106 Caleffi Zone Control Expansion Transformer - NA10343 Caleffi Zone Control Relay. ZVR103 Caleffi Zone Control Relay. ZSR104 Our Price: $175.55 Our Price: $47.77 Our Price: $117.77 Our Price: $175.55 Caleffi Zone Control Relay. ZSR106 Caleffi Zone Control Relay. ZSR103 Caleffi Zone Control Relay. ZSR101 Our Price: $212.22 Our Price: $151.11 Our Price: $72.22 Share your knowledge of this product. Be the first to write a review » Popular Products Siemens Actuator SQM45.295A9 Siemens QRI2A2.B180B Caleffi Universal Flow Switch - 626600A Newsletter Sign Up | Receive deals and alerts Sign up Fill out my Wufoo form!