Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades.
Kitchen extractor backdraft damper. Extractor fan 6 inch 150 mm cover with back draft shutter flyscreen mesh wall ceiling for bathroom kitchen toilet 280 m3 h 5 years warranty 4 1 out of 5 stars 204 29 00 29. Ducting pipe non return valve 100mm round duct rigid tube connector with shutter extractor fan backdraft damper stopper ko100 22 4 2 out of 5 stars 317 5 25 5. Quick look at a couple of solutions for stopping cold air blowing back through ventilation vents. We sell backdraft shutters in both plastic and metal with a variety of sizes available depending on the size of fan and ducting you are using.
They are a necessary component for installation in 6 star rated energy saving homes. Backdraft shutters or butterfly dampers are commonly used with inline exhaust fan systems. Backdraft dampers backdraft dampers also known as gravity dampers are used in ventilation systems to allow airflow in one direction and prevent airflow in the opposite direction. Flexible ducts flanges blinds grilles or roof hats.
In this installation video we show you how to install a back draft damper. Ventilation extractor fan backdraft shutter. Fantech rsk backdraft dampers. Typically used for kitchen exhaust systems.
Gl traditional built in kitchen hoods with professional filter. There is only one practical application for installing modulating dampers in high temperature grease ducts over kitchen hoods serving commercial cooking equipment. Spring loaded for positive closure. This includes showers cooker hoods and bathroom.
A relief damper is developed with an elevated and adjustable start open pressure while providing the backdraft function. These kitchen extractor hoods have an anti return damper and superior evacuation. Cughd pipe draft blocker backdraft damper ventilation duct inline extractor fan vent back draught shutter aluminum motorized damper 12 x8 i d 14 x10 o d 24 vac power open spring close 4 3 out of 5 stars 2. In addition these hoods can be complemented with different accessories to complete the installation such as.