Taco® Switching Relays Allow Total System Customization.
Taco® Switching Relays are made of high quality materials for long lasting durability. Combines clearly labeled PC board layouts with advanced features for ease of use. External indicator lights provide instant diagnostic feedback. UL and CSA listed. Optional Power Port Cards allows you to expand up to 20 zones. Styles areAdd-On Controls and Switching Relay.Available in a variety of types, zones and power ports to meet specific job requirements. 3 Year Limited Warranty.