Dryer Vent Booster Fan Installation

Proper airflow is essential for reducing lint build up and keeping your dryer working efficiently.

Dryer vent booster fan installation.

Some of the fans have power cords lb and dbf4xl and some can be hardwired. If your dryer vent is longer than 35 feet we recommend that a booster fan is installed to help your system run more efficiently. According to the booster fan owner s manual the fan should be removed and cleaned every six months. Locate a spot about that far from the dryer and look for a joint in the rigid duct leading from the dryer.

When the dryer begins operation positive pressure in the duct causes the switch diaphragm to expand closing the circuit to the booster fan. No other wiring is required since all the controls are built in. Cut the existing duct and attach the booster fan right in line. The airflow through your dryer vent cannot be maintained at the speed necessary to move lint for more than 35 feet.

Booster fans need to be installed a distance from the dryer usually at least six feet. Dryer vent booster fan installation and repair well i think it has been all of 3 weeks since i last spoke of dryer vent booster fans but another booster fan had began to cause problems for this homeowner so it appears service was in order. I have talked little about these booster fans simply because most homes do not possess them. When calculating the length of your vent every 90 degree turn is equal to five feet in length.

Booster fan installation if your dryer vent is longer than 25 feet a booster fan may be needed to help your system run more efficiently. The electrical to the booster fan is connected in series through a normally open terminal on the switch. A professional booster fan installation provides proper airflow throughout the entire system. This is because moist air cannot effectively exit the dryer and exhaust to the outside bogging down the entire drying process.

If a dryer s vent run is over 25 equivalent feet or the dryer is experiencing long drying time your dryer may need a dryer booster fan. A pressure tap is connected to a tip on the side of the switch. A 15 foot long vent with two 90 degree bends 25 feet according to fl building code 504 6. If your dryer uses flexible foil covered or white plastic vent this would be an ideal time to exchange it for the much safer rigid metal ductwork.

Your technician is prepared to install a booster fan at the time of service.