Taco ZVC-404 Zone Valve Control

The Taco ZVC-404 Zone Valve Control delivers precise zone valve control for multi-zone hydronic systems. This 4-zone, electronically actuated control consolidates boiler, circulator, and thermostat management in a compact package designed for contractor-friendly wiring.

With a 120V AC input and a 40 VA transformer, it provides reliable 24V control signals for each zone. Key features include front diagnostic light, fuse protection, and switchable priority with built-in priority protection, ensuring critical zones stay heated while simplifying service and wiring. The unit is UL-listed and housed in a durable NEMA 1 enclosure, built to withstand boiler room environments. It supports 24V AC universal thermostat compatibility and features a field-replaceable transformer for easy maintenance.

• Four-zone electronic actuation for precise boiler and circulator control
• Front diagnostic light for quick status checks
• Switchable priority with built-in protection for critical zones
• Simplified wiring in a compact, UL-listed NEMA 1 enclosure
• Field-replaceable transformer with fuse-protected 24V end switches and 1 A main/priority end switch
• 24V AC universal thermostat compatibility and 1/6 HP pump end switch
• Compact dimensions: 10-3/4 in W x 2-3/4 in D x 7 in H

Ideal for boiler, circulator, and hydronic systems requiring reliable, multi-zone control with easy maintenance.