Car wiring diagrams: 2 Zone Heating System Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Zone valve wiring details for hot water heating systems How do install wire up a zone control valve? Questions answers Flair Zone Valve with Wire Thermostat wiring diagram. The Flair control .Let s review what a heating zone control wiring could look Figure shows a typical radiant system consisting of a..Have a zone boiler system w Honeywell VF zone valves. Take a look at this diagram. is bad, shouldn t the other thermostat demand heat and turn on at least the one zone?.