Taco 4-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