Power Venter Application Oil Heating For Fuel Type LP Natural Gas Oil For Appliance Type Boilers Furnaces Water Heaters Maximum Vent Pipe Diameter 6 in Maximum Heater BTU Input for Gas Appliance 160 000 BtuH Maximum Heater BTU Input for Oil Appliance 220 000 BtuH Inlet Diameter 6 in Outlet Diameter 6 in Nameplate Voltage 115V AC Current 2.8 A