BROAN 643 Wall Cap, 8 in Round Duct, Aluminum, Silver Finish, 22 ga
The BROAN 643 Wall Cap is an aluminum wall and soffit vent cap designed for use with 8-inch round ductwork. It features a silver finish and includes a backdraft damper, while no screen is included. This 22-gauge cap…
SKU 3G-OTH-80296
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Product Description
The BROAN 643 Wall Cap is an aluminum wall and soffit vent cap designed for use with 8-inch round ductwork. It features a silver finish and includes a backdraft damper, while no screen is included. This 22-gauge cap is intended for wall-mount exhaust venting applications.
Frequently Asked Questions
What is the BROAN 643 wall cap used for?
The BROAN 643 wall cap is used to terminate 8-inch round exhaust ductwork at an exterior wall or soffit. It vents air from bathroom fans, range hoods, or dryers while the built-in backdraft damper prevents outside air from entering the building.
What are the specifications of the BROAN 643 wall cap?
The BROAN 643 is an 8-inch round aluminum wall cap with a silver finish and 22-gauge construction. It includes a backdraft damper but no screen. The manufacturer part number is 643, and it is designed for wall-mount exhaust venting applications.
Where to buy the BROAN 643 wall cap worldwide?
3G Electric supplies the BROAN 643 wall cap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this 8-inch aluminum wall cap with backdraft damper.
How to install the BROAN 643 wall cap?
Install the BROAN 643 wall cap by cutting a hole through the exterior wall to fit the 8-inch round duct. Secure the cap to the wall with appropriate fasteners, seal the perimeter with caulk, and connect the duct to the backdraft damper collar. Ensure the damper flap moves freely.
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3G Electric supplies BROAN wall & soffit vent caps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.