Taco 6-Zone Valve Control w/ Priority Expandable

Taco ZVC406-EXP-4 is a 6-Zone Valve Control (Expandable up to 20 Zones). This model works with 2 3 or 4-wire zone valves is fully fuse protected and includes two isolated end switches and a built-in priority switch. The easy to read PC board layout of the Taco ZVC406-EXP model eliminates problems with incorrect wiring and the “unfinished” look of conventional zone valve installations. The sturdy screw connections add additional reliability while the external indicator lights provide instant diagnostic feedback reducing installation time.All Taco ZVC406-EXP Zone Valve Controls are made in the USA UL and CSA listed.Zones: 6 (expandable up to 20) plus Priority;PowerPort Slots: 2;Power Control Plugs: 1;Power (Transformer Voltage): 120 VAC Input;Transformer Rating: 80 VA;Dimensions: 11-3/4 wide x 7-1/2 high x 3 deep;External Indicator Lights;Switchable Priority;Simplified Wiring;Works with 2 3 or 4-Wire Zone Valves;Compact Design;Fuse Protected;100% Factory Tested;Two Isolated End Switches;Extra Set of Dry Contacts;Contractor Friendly PC Board Layout;Universal Thermostat Compatibility;UL and CSA Approved;Sturdy Screw Connections