Power Venter, Application Furnaces, For Fuel Type LP, Natural Gas, For Appliance Type Boilers, Furnaces, Water Heaters, Maximum Vent Pipe Diameter 5 in, Minimum Vent Pipe Diameter 5 in, Maximum Heater BTU Input for Gas Appliance 610, 000 BtuH, Maximum Heater BTU Input for Oil Appliance Not Applicable, Inlet Diameter 5 in, Outlet Diameter 5 in, For Vent Pipe Diameter 5 in, Compatible with Brand Tjernlund, Replacement For Manufacturer Model Number HS1, HST-1, HSUL-1, Nameplate Voltage 115V AC. This item has been restricted from sale in the following state (s): []