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 5 in Minimum Vent Pipe Diameter 4 in Maximum Heater BTU Input for Gas Appliance 290 000 BtuH Maximum Heater BTU Input for Oil Appliance 254 000 BtuH Inlet Diameter 5 in Outlet Diameter 5 in For Vent Pipe Diameter 6 in Compatible with Brand Universal Nameplate Voltage 115V AC Phase 1 Current 1.3 A Frequency 60 Hz