6 ZONE SWITCHING RELAY REG/EXP

SR506-5 TACO 6 ZONE SWITCHING RELAY REG/EXP - Number of zones 6 with priority - 120 VAC Input - 20 Amps - 24V Power Output - Front Diagnostic Lights - Switchable Priority - Built-in Priority Protection - Simplified Wiring - Contractor Friendly PC Board Layout - Field Replaceable Transformer Dimensions of Enclosure - Width 12-1/2" - Height 8-1/2" - Depth 2-5/8" This item replaces: SR506-EXP-4, SR506-4 Includes Taco SRTR-001 RP - Resistor, Power Stealing Thermostat 1000 OHM, 0.5 Watts 6 Qty 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 six 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 Next Generation Switching Relays 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 mobile 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