Uponor Powered Zone Controller, 4 Zones, 120 VAC, For Use With: Radiant Heating System, 6-3/4 in Height, 10-3/4 in Width, 2-3/4 in Depth
Powered zone controllers include transformers for low-voltage operations and relays to operate line-voltage controls. Fully fuse-protected, they also include an isolated end switch and built-in domestic hot water (DHW) priority switch. The indicator lights show full functionality of the products wired to the controllers. A three-amp delay fuse protects four-zone controllers. A seven-amp delay fuse protects six-zone controllers.