Taco Zone Valve Control ZVC-404-EXP MET-55105

Zone Valve Control; Item Zone Valve Control; Type 4-Zone, Expandable; Actuation Type Electronic; Switch Type DPDT; Overall Dimensions 12-1/4 Inch Width x 3 Inch Depth x 8 Inch Height; Current Rating 3 Amp; Input Supply Rating 120 Volt AC at 60 Hertz 1-Phase 80 Volt Amp (Transformer) and 24 Volt Amp (Zone); Inclusions/Features Front Diagnostic Light, Switchable Priority, Built-in Priority Protection, Simplified Wiring, Compact Design, Fuse Protected, 1/6 HP 5 Amp Pump End Switch, 24 Volt AC 1 Amp Main and Priority End Switch, Contractor Friendly PC Board Layout, 24 Volt AC Class 2 Universal Thermostat Compatibility, 24 Volt Power Output Terminal, Field Replaceable Transformer, Add-On Power Control Plug, Built-In Post Purge and Pump Exercise Function, (2) Boiler Contact; Application Boiler, Circulator, Hydronic System; Applicable Standard UL; Enclosure Rating NEMA 1