Taco® Zone Valve Controls Help Simplify Wiring Problems.
Zone valve controls feature easy to follow PC board layouts to eliminate incorrect wiring. External indicator lights provide instant diagnostic feedback. Controls work with up to 4-wire zone valves. Fully fuse protected with 2 isolated end switches and a built-in priority switch. Sturdy screw connections for reliability. Controls with PowerPort Cards expand up to 20 zones. Allows simple integration of advanced features. UL listed. CSA listed. 3 Year Limited Warranty.