BD4 | Pressure Relief Damper | BROAN-NuTone SubCategory 4_40 Piece Clamping Kits 4-3FH provides exceptional protection against

4-3FH provides exceptional protection against electrical currents that can cause bearing damage

This motor's 2-speed operation provides flexibility for different torque and speed requirements

This blower wheel features a robust construction with a 10x7 inch blade design

backed by years of experience and industry expertise

This 3 pole NEMA Size 0 non-reversing contactor has an 18 ampere rating

BD4 | Pressure Relief Damper | BROAN-NuTone SubCategory 4_40 Piece Clamping Kits 4-3FH provides exceptional protection against**BD4 Pressure Relief Damper by BROAN NuTone** Designed for industrial and commercial applications, the BD4 Pressure Relief Damper provides efficient air management in ventilation systems. This damper automatically opens to relieve excess pressure and prevent system damage, ensuring optimal airflow while maintaining a safe environment. Crafted from durable galvanized steel, the BD4 damper is corrosion resistant and built to withstand demanding