Description
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.
