A line of PVC and CPVC duct dampers offered in butterfly, gravity, and blast gate types for fume removal applications is available. The backdraft dampers come in three flow control types: butterfly ...

Q. This week: I had my kitchen remodeled recently and purchased a new downdraft range, vented to the exterior. This winter I feel a cold draft when the stove is not in use. There is cold air coming ...

Q. Our home has a combination microwave/range hood that discharges directly through the sidewall of our home. The wall jack has a weather-head with a spring closure for the backdraft damper. The ...