Taco ZVC404-4 4-Zone Valve Control with Circulator Relay and Transformer with Priority

Original price was: $188.74.Current price is: $154.69.

13 in stock

SKU: 228807 Categories: ,


Overall, the Taco ZVC404-4 offers a compact and feature-rich control solution for multi-zone hydronic systems. Its priority zone functionality, compatibility with various valve types, and built-in transformer enhance its versatility and ease of use.


  • Manages water flow to 4 independent zones: Controls water distribution in multi-zone hydronic heating or cooling systems, ensuring efficient temperature regulation for different areas.
  • Activates and deactivates a circulator pump: Ensures continuous water circulation when needed, optimizing system performance.
  • Provides power to control components: Includes a built-in transformer, eliminating the need for a separate power supply.

Key Features:

  • 4-zone capacity: Suitable for systems with up to 4 distinct zones.
  • Priority zone feature: Prioritizes one zone over others when activated, ensuring immediate comfort or addressing critical areas.
  • External indicator lights: Facilitate troubleshooting by visually indicating system status and zone operation.
  • Compatible with various valve types: Works with 2-, 3-, or 4-wire zone valves, offering flexibility in system design.
  • Built-in transformer: Simplifies installation by providing the necessary power.
  • Compact design: Optimizes space utilization in control panels or boiler rooms.


  • Hydronic heating systems: Radiant, baseboard, or fan coil systems.
  • Zoned air conditioning systems: Provides targeted cooling for specific areas.
  • Domestic hot water recirculation systems: Maintains consistent water temperature at fixtures.

Additional Features:

  • Fuse-protected: Ensures electrical safety.
  • Factory tested: Guarantees reliability before installation.
  • Universal thermostat compatibility: Works with a wide range of thermostats.
  • Field-replaceable transformer: Facilitates easy maintenance if needed.

Things to Consider:

  • System compatibility: Verify compatibility with your system’s voltage and control signals.
  • Professional installation: While DIY installation is possible, consulting a qualified professional is recommended for optimal performance and safety.
  • Expansion options: For more than 4 zones, consider the expandable ZVC406-3 model.

Additional information

Weight 5.1 lbs


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