Boiler Zoning Control 3 Zone Valves Max No Zones 3 Boiler Output Voltage Dry Contact 24 Vac 1A Auxiliary Contact Rating (2) 16 Hp 5 Amps @ 120Vac Full Load Amps @ 120V 15 Height (In) 3 Length (In) 1118 Width (In) 712 For Use With Zone Valves Includes Instruction Sheet