ZVC403‑5 Enhanced 3‑Zone Valve Control Panel

Description

Note: This is a direct replacement for the older ZVC403.

Taco ZVC403‑5 3-Zone Valve Control works with 2-, 3-, or 4-wire zone valves and includes built-in priority switching. Fully fuse protected, it features isolated end switches, 24V power output, and a redesigned PC board layout that eliminates wiring errors and the “unfinished” look of typical installations. New features include LED diagnostic lights, programmable outputs, SmartPlus DHW logic, and Bluetooth app-based setup. UL and CSA listed and backed by an extended 3-year warranty.

Features:

• External Indicator Lights for instant diagnostic feedback
• Switchable Priority for DHW and zone control
• Simplified Wiring with contractor-friendly PC board layout
• Fully Enclosed Snap-Out Relays for easy maintenance
• Compact Design for space-saving installation
• Fuse Protected for added safety
• 100% Factory Tested to ensure quality and reliability
• Isolated End Switch for each zone valve
• Universal Thermostat Compatibility including smart thermostats
• UL and CSA Approved for safety and compliance
• 24 Volt Power Input or Output Terminal for flexible wiring
• Built-in Post Purge and Pump Exercise Functions for system longevity
• Expandable to 20 Zoning Panels (up to 120 zones total) via EXP switching relays
• Bluetooth App-Based Configuration for wireless setup and updates
• SmartPlus DHW Recirculation Logic to optimize domestic hot water performance
• Programmable Outputs for customized system control
• Wireless Update Capabilities for future firmware enhancements
• Modbus Communication Ready for integration with building automation

Technical Specifications:

• Zones: 3
• Power (Transformer Voltage): 120 VAC Input
• Transformer Rating: 40 VA
• Dimensions: 12-1/2″ wide x 8-1/2″ high x 2-5/8″ deep

Warranty:
Extended 3 Year Warranty;