Draft Inducer: For Boilers/Furnaces/Water Heaters, For 5 in to 8 in Pipe, 115V AC Supplied brackets allow you to

Supplied brackets allow you to install the speakers vertically or horizontally

75 inches high x 20

5"w x 97"h

Switchable 50 or 75 Ohm Input Impedance

Draft Inducer: For Boilers/Furnaces/Water Heaters, For 5 in to 8 in Pipe, 115V AC Supplied brackets allow you toDraft Inducer: For Boilers Furnaces Water Heaters, For 5 in to 8 in Pipe, 115V AC Item 4C731 Mfr. Model D 3 Brand TJERNLUND Application Boilers; Furnaces; Water Heaters Minimum Vent Pipe Diameter 5 in Maximum Vent Pipe Diameter 8 in For Fuel Type Natural Gas; Oil Maximum Heater BTU Input for Gas Appliance 111,000 BtuH Maximum Heater BTU Input for Oil Appliance 92,000 BtuH Maximum Heat Input300,000 Btu (Oil Barometric); 360,000 Btu (Gas Draft Hood);