Imperial 4 in. D Cast Iron Damper is a sturdy, non-adjustable damper built for reliable airflow control in chimney vent systems. Crafted from durable cast iron and finished in black, this 4 in. damper is designed to withstand high heat and frequent use while maintaining a clean, unobtrusive profile in your vent work.
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Material and build: Cast iron construction provides excellent heat resistance and long service life.
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Size and fit: 4 in. diameter for standard small-diameter vent runs.
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Finish: Black finish blends with most existing chimney hardware and resists staining.
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Safety and compliance: UL Listed, offering assurance of safety and compliance.
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Configuration: Non-adjustable damper—designed for fixed installation and durable, permanent airflow control.
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Packaging: Bulk packaging supports installers and wholesalers stocking up efficiently.
This Imperial damper is ideal for contractors, chimney sweeps, and hardware retailers who need a reliable, fixed-damper solution for 4 in. vent lines. Use cases include blocking drafts in seasonal fireplaces, maintaining steady airflow in fixed vent installs, or serving as a durable, low-maintenance component in streamlined chimney assemblies.
Why choose a non-adjustable damper? When you want a simple, economical solution with fewer moving parts and a robust, heat-tolerant body, this 4 in. cast iron damper delivers steady performance with minimal upkeep. If you require adjustable airflow control, explore other models designed specifically for variable damper operation.
