Taco ZVC404 Zone Valve Control with Priority

Taco ZVC404 Zone Valve Control with Priority

The Taco ZVC404-5 is the current-generation 4-zone valve control with built-in priority, replacing the ZVC404-4 and ZVC404-EXP-4. It operates on 120V AC with a 40VA transformer and supports 2-, 3-, or 4-wire 24V zone valves with universal thermostat compatibility. Three auxiliary pump outputs manage system, DHW recirculation, and priority zone circulator functions - with SmartPlus DHW recirculation logic available when a DHW supply sensor is connected. Bluetooth connectivity via the Taco Control mobile app enables wireless configuration, DIP switch adjustment, and system customization without opening the enclosure. Front-facing LED diagnostics, a contractor-friendly PC board layout, and fully fuse-protected screw terminals round out a panel engineered for fast, professional installation. UL and CSA listed; 3-year warranty. Professional installation required.

Product Details

• Taco part number: ZVC404-5 - direct replacement for ZVC404-4 and ZVC404-EXP-4
• 4-zone control with switchable priority; 120V AC input, 40VA built-in transformer
• Compatible with 2-, 3-, or 4-wire 24V zone valves and standard thermostats
• 3 auxiliary pump outputs: system circulator, DHW recirculation, and priority zone circulator (1/6 HP @ 120V AC each)
• SmartPlus DHW recirculation logic activated via optional DHW supply sensor connection

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