Parts for Broan 639: Venting Assembly Parts

This spring damper is a replacement vibration isolator for range hood and ventilation fan assemblies. It helps reduce rattling and vibration, restoring quieter operation and steadier component alignment. What it does:

• Cushions and isolates blower or housing components to reduce vibration and noise
• Helps keep fan and housing mounted securely during operation
• Can stop or reduce rattling, humming, or intermittent vibration-related noises
• Supports proper alignment of moving parts to prevent wear

• Turn power to the appliance off at the breaker before starting any repair
• Remove access panels or blower housing per the appliance service instructions to reach the damper location
• Compare the new damper to the old part for orientation and fit before final installation
• If other mounting hardware is damaged or worn, replace it to ensure secure mounting