Taco ZVC403-5 - 3 Zone Valve Control with Priority, Bluetooth & Taco Control App

The Taco ZVC403-5 3-Zone Next Generation Valve Control with Priority is a clean, reliable way to manage up to three heating zones using 24V zone valves. Built for hydronic systems, it gives you simple thermostat inputs, clear diagnostic LEDs, and a built-in priority switch to protect your domestic hot water zone when needed. With a compact layout and easy wiring, the ZVC403-5 helps streamline installs, reduce troubleshooting time, and keep multi-zone systems running smooth.

Features

Part Number: ZVC403-5 (Replaces ZVC403-4)
Zones: 3 zone valve outputs (24 VAC)
Application: Hydronic heating zone control for zone valves
Priority: Built-in priority zone function (commonly used for DHW)
Thermostat Inputs: 3 thermostat connections (one per zone)
End Switch: Isolated end switch for boiler/primary pump demand
Diagnostics: LED indicators for power, thermostat call, and zone status
Wiring: Clearly labeled terminals for fast, clean installation
Design: Next Generation control board for improved reliability and serviceability
Compatibility: Works with most 2-wire and 3-wire 24V zone valves (verify valve requirements)
Mounting: Compact enclosure for wall mounting near boiler/mechanical room equipment

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Collection: Zone Valve Controls

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ZVC403-5 - 3 Zone Valve Control with Priority, Bluetooth & Taco Control App