#52: I Have a Square Center-Pivot Damper with Chains Hanging Down. How Do I Plug It?

Square Chain Damper

52-1: Closed Square Chain Damper

Short Wide rectangular chain damper

52-2: Closed Short-Rectangle Chain Damper

square chain damper measure

52-3: Measure Below a Square Chain Damper

Chimella installed high

52-4: Chimella In Flue Tile

Buy a Chimella
Flueblocker in the open flue

52-5: Flueblocker Installed

Buy a Flueblocker
chain damper with Chimney Balloon

52-6: Chimney Balloon Installed Below Chain Damper

Buy a Chimney Balloon