Power Venter Application Furnaces For Fuel Type LP Natural Gas Oil For Appliance Type Gas or Oil Furnaces Boilers Water Heaters Maximum Vent Pipe Diameter 6 in Minimum Vent Pipe Diameter 5 in Maximum Heater BTU Input for Gas Appliance 416 000 BtuH Maximum Heater BTU Input for Oil Appliance 364 000 BtuH Inlet Diameter 6 in Outlet Diameter 6 in For Vent Pipe Diameter 7 in Compatible with Brand Universal Nameplate Voltage 115V AC Phase 1 Current 2.1 A Frequency 60 Hz