Taco SR502-4 2 Zone Switching Relay - Shop Hardware Tools Online Store

Taco SR502 Switching Relay combines clearly labeled PC board layout with advanced features that allowfor total system customization. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. Taco SR502 switching relay is UL and CSA listed, uses standard ice cube replaceable relays and is compatible with conventional and programmable thermostats.