Taco 2-Zone Hydronic Switching Relay

Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. All switching relays are ul listed, are compatible with conventional and programmable thermostats.|Compact design|UL and CSA approved|3 year warranty|Fuse protected|Simplified wiring for ease of installation|Premium sealed relays|Factory tested|Isolated end switch|Field replaceable transformer|Built in priority