Taco ZVC403-5, 3 Zone Valve Control Module with Priority Zoning

Description:
The Taco ZVC403-5 3-Zone Next Generation Zone Valve Control is designed for efficient and reliable hydronic heating system management. Compatible with two-, three-, or four-wire zone valves, this control panel features a contractor-friendly PC board layout, simplified wiring, and sturdy screw connections for dependable operation. It includes fully fused protection, two isolated end switches, built-in priority protection, and universal thermostat compatibility. External diagnostic indicator lights make troubleshooting quick and easy, while post purge and pump exercise functions enhance system performance. UL listed and 100% factory tested, the ZVC403-5 is expandable, durable, and backed by a 3-year warranty.

Spec Sheet:

• Model: ZVC403-5 (3-Zone Valve Control with Priority)

• Zone Valve Compatibility: 2-, 3-, or 4-wire zone valves

• Power: 24V output for hard-wired thermostats

• End Switches: 2 isolated end switches

• Priority Features: Built-in priority & switchable priority for indirect water heater

• Functions: Post purge and pump exercise functions included

• Diagnostic Lights: Front LEDs for instant system response

• Expandable: Up to 20 zoning panels (120 zones with 6-zone panels)

• Integration: Interfaces with -EXP switching relays and supports Mod-Con boilers

• Construction: Contractor-friendly PC board layout with sturdy screw connections

• Protection: Fully fuse-protected with a field-replaceable transformer

• Certifications: UL listed, 100% factory tested

• Warranty: 3-year manufacturer warranty