SR504-5 4-Zone Switching Relay with Priority, Expandable

Brand: Taco
Part#: SR504-5
Note: This is a direct replacement for the older SR504.
Taco SR504-5 Next Generation Switching Relay combines a clearly labeled PC board layout with advanced features for total system customization. Whether using basic functionality, DIP switch features, or the advanced Taco Control mobile app, setup and operation are simple. External indicator lights provide instant diagnostic feedback, making service calls or new installation start-ups easy. All switching relays are UL listed and compatible with conventional, programmable, and WiFi-based thermostats.

Features:
  • External Indicator Lights for easy status monitoring
  • Switchable Priority for DHW or priority zone control
  • Simplified Wiring with clearly labeled terminals
  • Fully Enclosed Snap-Out Relays for easy replacement
  • Compact Design to fit in tight panel spaces
  • Fuse Protected for added system safety
  • 100% Factory Tested for reliability and quality assurance
  • Contractor Friendly PC Board Layout for quick installation
  • Universal Thermostat Compatibility with 24V systems
  • UL and CSA Approved for safety compliance
  • 24 Volt Power Input or Output Terminal for flexible wiring
  • Bluetooth App-Enabled for wireless configuration and updates
  • Programmable Relay Outputs to customize system functions
  • Supports Modbus Communication for integration with building automation

Technical Specifications:
  • Zones: 4
  • Power: 120VAC
  • Max combined load: 20.0 AMPs
  • Dimensions: 12-1/2" wide x 8-1/2" high x 2-5/8" deep.

Warranty:
Extended 3 Year Warranty;
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