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Sealtight Chimney Damper

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Description

This is a great option if you don't want a cap visible on your chimney. It provides a tight gasketed fit to seal out weather, insects, birds and animals while keeping heat in. Or, if you prefer a cap, it can also be installed beneath a HY‑C chimney cap.

Includes 30', cut to fit cable, fireplace bracket, cool-touch spring handle, mounting adhesive and hardware. Lifetime warranty. Note: Do not use top mount dampers with gas logs. Intended for use with traditional masonry wood burning fireplaces.

Make the removing of the damper quick and easy for chimney cleaning and inspection by adding a Sweep's Ring Metal Gasket. The Sweep's Ring Gasket will attach to the flue with the adhesive (included with damper) and the damper will simply bolt to the gasket. Check the option box below to add this to your damper.


Size Fits Flue Size
8" x 8" 6 3/4" to 9" Width x 6 3/4" to 9" Length
8" x 17" 6 1/2" to 8 3/4" Width x 14 1/2" to 16 3/4" Length
9" x 13" 6 1/2" to 9" Width x 10 1/2" to 12 3/4" Length
12" x 16" 9 1/4" to 11 3/4" Width x 13" to 15 1/2" Length
13" x 13" 10 1/8" to 12 3/4" Width x 10 1/8" to 12 3/4" Length
13" x 18" 9 5/8" to 12 3/4" Width x 15" to 17 1/2" Length
18" x 18" 15" to 17 3/4" Width x 15" to 17 3/4" Length