Hydronic Control Panel; Item Boiler Control Panel; Applicable Standard UL, CSA (Canada and US); Actuation Type Electronic; Switch Type DIP; Overall Dimensions 13" Width x 3-3/8" Depth x 8" Height; Input Supply Rating 120 Volt AC at 60 Hertz; Temperature Rating 32 to 130 Deg F; Media Handled Hot Water; Inclusions/Features Domestic Hot Water Priority, Priority Override Protection and Boiler Short Cycling Protection; Application Residential; Type of Zoning Devices Controlled Zone Pump, 2-Wire Valve; Contact Rating 1/3 HP 120/250 Volt AC 5 Amp (Pump), 12 VA 24 Volt AC 0.5 Amp (Valve); Operating Humidity Range 5 to 90 Percent RH, Non-Condensing; Electrical Connection (2) 14 AWG Wire Clamp Screw Terminal; Number of Zone 4; Weight 4.9 Lb