Description
The Taco Comfort Solutions ZVC403-5 is a 3-zone valve control panel engineered for hydronic heating systems that demand precise, independent zone management. Designed with an expandable (EXP) architecture, this control panel allows contractors and system designers to start with three zones and scale up as system requirements grow — making it an ideal solution for both residential and light commercial hydronic installations.
Built to work seamlessly with Taco zone valves, the ZVC403-5 coordinates zone valve operation, circulator control, and priority zoning in a single, compact enclosure. Its straightforward wiring layout and clearly labeled terminals reduce installation time and minimize the risk of wiring errors in the field.
Key Features
- Controls up to 3 hydronic heating zones out of the box
- Expandable (EXP) design supports additional zone modules for system growth
- Compatible with Taco zone valves for reliable, coordinated operation
- Integrated circulator relay for boiler and pump control
- Priority zoning capability to support domestic hot water priority
- Compact panel enclosure with clearly labeled terminal strips
- Simplified wiring layout reduces installation time
- Suitable for residential and light commercial hydronic heating applications
Application
The ZVC403-5 is the go-to choice for hydronic zoning projects where flexibility and reliability are paramount. Whether retrofitting an existing system or designing a new multi-zone installation, this expandable control panel provides the foundation for efficient, comfortable hydronic heat distribution across multiple zones.
Why Choose Taco Comfort Solutions
Taco Comfort Solutions is a trusted name in hydronic heating, known for durable, installer-friendly products backed by decades of engineering expertise. The ZVC403-5 continues that tradition, delivering professional-grade zone control in a package designed for real-world HVAC installations.







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