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Anonymous users2024-01-24Because the flue is generally shared by several households, if there is no check valve, turn on the exhaust fan and the smoke will run down your house.
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Anonymous users2024-01-23Prevent smoke from the flue from pouring back into the room when not in use.
The check valve installed on the flue on some floors does not pour smoke, (that is, it does not smell the smell of other people's cooking) and some pour smoke. This is determined by the suction of the flue, the direction of the wind, the height of the floor. When cooking downstairs, the hot air drove the check valve upwards and opened it to smell the smell of oil smoke. >>>More
It is easy to be clogged by oil sludge, and it is not easy to let the smell of other people's kitchens enter your home.
Prevent the outdoor wind from backing into the room through the flue pipe; >>>More
1. Enlarge the original smoke exhaust hole by a small part, and the check valve can be easily put in. If there is no flue hole, a 170mm*170mm hole can be opened. >>>More
Where is the best place to install a check valve?
1. Do not install on the flue mouth. >>>More