the 381-800-475 is supplied as a complete actuator and damper assembly to ensure the mechanical linkage and electrical end-switches are perfectly calibrated for safe operation

Persistent tripping at 210°F usually indicates restricted airflow

Simplified Installation: Standard frame and connector configuration allows for rapid field replacement for HVAC service calls

or the igniter failing to glow while receiving 120V from the control board

this bag assembly simplifies the sealing process by providing all necessary hardware to prevent bypass leakage

Tjernlund Products LB2 Duct Booster 326070-701 the 381-800-475 is supplied asThe Tjernlund Products LB2 Dryer Duct Booster is a professional grade solution engineered to maintain optimal exhaust velocity in 4 inch rigid metal ductwork, supporting vent runs up to 150 equivalent feet. This DEDPV (Dryer Exhaust Duct Power Ventilator) compliant fan solves performance issues in complex laundry configurations where equivalent feet exceed the 25 foot limit standard for most residential dryers. Featuring a Lint Blitzer material