Taco 3/4", 3 Way Outdoor Reset I-Series Mixing Valve (Union Sweat)

Taco iSeries+ Mixing Valves provide precise and cost-effective temperature control for your heating systems, the flexibility of zone-to-zone control, plus built-in boiler protection. * Available in 2-way, 3-way or 4-way injection configurations * For either outdoor reset control or fixed water supply temperature applications * Protects boiler against flue gas condensation Features: * Operates Off Constant Power or Relay End Switch * Ball Valve Design, High Cv * Manual Operation Button * Solid-State Microprocessor Design * Easy, One-Hand Actuator Removal * Multi-Status LED Indicator Light