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Anatomy

Damper

The valve that opens/closes the flue.

All glossary terms

What is Damper?

The metal plate or valve that opens to let smoke out while burning and closes to seal the flue when not in use. Two types: throat damper (above firebox, traditional) and top damper (at the very top, modern, way better seal — saves 30%+ on heat loss).

Related terms:FlueTop-Sealing Damper

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