Field Controls 46075300 DI-2 Draft Inducer For 5" - 8" Pipe 120V Volts: 120 Hertz: 60 RPM: 1550 Watts: 78 Amps: 1.1 Thermally Protected: Yes Draft Inducers solve the drafting problems caused by short chimneys, undersized flue pipes and negative building pressures. Draft Inducers are designed for easy installation in a wide variety of applications, including oil or gas-fired furnaces, water heaters, and boilers. For venting single or multiple appliances, use a control kit. DI Paks are available for 24 volt and millivolt applications and include all controls necessary. When should a Draft Inducer be used? When the application calls for a long horizontal vent runs, undersized flue pipes, short chimneys, or an outside exposed chimney. Replaces Tjernlund D3, D-3