Taco 2 Zone Switching Relay
Tacos Enhanced Switching Relays are the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. The Taco SR502-4 Switching Relay is the best choice for all your zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts. The Taco SR502-4 is a two-zone switching relay panel designed to provide independent 120V control of two circulators in hydronic heating applications.
Compatible with standard 24V thermostats, it integrates directly with boiler and zone systems, streamlining multi-zone configuration and operation. Zone-switching relays control the flow of fluid or gas through zones by controlling the valves feeding into them. These relays can prioritize one zone over the others but lack the interconnection capabilities of the expandable 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. Taco Zone Switching Relay.
The Taco Switching Relay is the best choice for all you zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts. The Taco SR502-4 switching relay transforms standard residential hydronic heating into a responsive two-zone system through field-selectable priority programming, DPDT ice cube relay architecture, and external LED diagnostics. Taco's Enhanced Switching Relays are the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights...
Taco Switching Relay Combine Clearly-Labeled Pc Board Layout with Advanced Features that Allow to Completely Customize System; Whether Using Basic Priority Switching, Taco Plug-In Power Port Cards/Add-On Power Control, Tailoring the System has Never Been Easier; External Indicator Lights Give Instant Diagnostic Feedback, Making Service Calls ...
