Item Tag: Caleffi

Caleffi ZVR104 – Z-one™ Relay (four zone)Multi-Zone Valve ControlThe ZVR104 is a multi-zone zone valve and boiler operating control for multiple zone hydronic heating systems. The ZVR104 interfaces with low voltage thermostats, or any other low voltage controllers having a switching action. The ZVR104 controls up to 4 zones. In addition, a system pump, secondary pump and a priority (DHW) pump can also be controlled. LED indicators provide functional status and easy system troubleshooting. The ZVR106 is a perfect match with Caleffi’s Z-one™ motorized zone valves. ZVR106 Internals (ZVR104 internals are identical minus 2 zone connections)Features: • Compatible with low voltage 2, 3, or 4 wire thermostats• R, W, C and T T COM dual labeling at thermostat terminals• Z-oneLink™ unlimited zone expansion to ZVR and ZSR series• Selectable priority with 1 hour time-out feature• System and secondary pump status selectable during ZONE 1 demand• Circulator will start only after the zone valve end switch is closed• Dry contact for ZONE 1 (DHW), capable of switching line voltage• Dry contact AUX for signaling a variable speed self regulated pump or other controls• Large terminal connections• High Capacity 40 VA standard for the 3 zone model expandable to 80 VA• Automatic resettable low voltage fuse• Controls system pump, secondary pump, and priority pump• Front LED Lights• 100% Factory tested with 3 year warranty, ETL Listed / CSA Certified Multiple Thermostat Configuration(ZVR104 identical minus two zone connections)Specification:Power supply: 120 VAC, 50/60 HzTransformer voltage: 24 VACMaximum transformer load: 40 VAElectrical switch rating: 20A Max CombinedElectrical switch rating, AUX, ZONE 1, XX: 120 VAC, 2A eachElectrical switch rating pumps: 120 VAC, 5A eachResettable Fuse: automaticWorking temperature range: 32°F (0°C)—115°F (45°C)Maximum humidity: 90% non-condensingApprovals: Conforms to UL873 / Certified to CSA C22 No 24, listed by ETLQualify for a five year warranty when installed together with Caleffi Z-one zone valves.Return PolicyWe want you to be 100% satisfied with your purchase, if you are not, ship it back to us in the original packaging condition and we will refund your purchase less a 10% restocking fee, provided the equipment is received in good condition. Refund offer valid for 30 days from receipt of product.We accept PayPal and Credit card (Visa or MasterCard). If you are ordering multiple units and part, please call us to see if we can save you shipping cost for multiple item orders.For complete solar kits please allow 2-3 weeks delivery. These kits are shipped via our preferred freight forwarder company and where possible we will schedule residential tailgate delivery (curbside). Heaters and accessories are usually in stock unless indicated otherwise. We do have expedited shipping services available for an additional fee. Please call us if you need a rush order. Once your order has been shipped you will be contacted via email and a tracking number will be provided.