Next Generation Zone Controls: SR Switching Relays
The Taco® Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system
customization. Whether using basic functionality, DIP switch features or the advanced features of the Taco Control App,
the job is made easy. External indicator lights provide instant diagnostic feedback, making a snap of service calls or
new installation start-ups. All switching relays are UL listed, and compatible with conventional, programmable, and WIFI
based thermostats.
Features and Benefits
Front panel diagnostic lights
• Switchable priority
• Built-in priority protection
• Simplified wiring
• Premium sealed relays
• Compact design
• Fuse protected
• 100% Factory tested
• Isolated end switch
• Contractor friendly PC board layout
• Universal thermostat compatibility
• 24 Volt power output for hard wired thermostats
• Field replaceable transformer
• Extended 3 year warranty
Next Generation New Features
• Built-in; post purge and pump exercise functions
• Switchable primary circulator output
• Two boiler contacts, utilizes full functionality of
mod-con boilers
• Expandable to 20 zoning panels (120 zones if all
are 6 zone panels)
• Taco Control mobile app (not required for all
functions)
• Wireless update capabilities
• Four Programmable outputs
• DHW recirculation SmartPlus® logic
• Diagnostic lights for all outputs
• Additional space for wiring
• More space to write zone information
• Easy to remove hinged cover
• Rear knockouts
• Standard control upgradeable to reset model
• Modbus communication