9” auto damper for regulating stack draft. Damper comes with a counterweight to set amount of draft and a color to mount to side of pipe if a tee is not available.
MPN: 0427BD9
9” auto damper for regulating stack draft. Damper comes with a counterweight to set amount of draft and a color to mount to side of pipe if a tee is not available.
MPN: 0427BD9
