The reserved pipe of the exhaust pipe of the building toilet is not a model larger than the exhaust

Hello, you should be Panasonic's exhaust fan, the pressure head is not big, but the exhaust should still be shot out, the main reason is that you are using a hard pipe, the loss of the pressure head should be relatively small, you now feel that the exhaust gas can not be discharged, it is due to the selection of reasons, square meters of bathroom, the floor height is estimated to be around, the volume of the space has a cubic meter, the minimum exhaust times of the bathroom is required 6 times, generally can be done 10 times, That is, the actual exhaust air volume of your exhaust fan should be enough at 126 cubic meters per hour, but there is a problem here, the 155 cubic meters per hour exhaust fan you choose is the maximum exhaust air volume of this exhaust fan, and the actual working condition is generally about half, so there are only 70-80 cubic meters of exhaust air per hour, you have only two ways to solve this problem, one is to increase the exhaust air volume of the exhaust fan, increase to about 270-330, the second way is to install an exhaust fan, two open together, This can be selected according to your actual situation, and Jingdi Electromechanical Technology will wholeheartedly provide you with guidance and suggestions on the selection and installation of exhaust fans.

Abstract Hello, even if your house is on the top floor, the sewage pipe can not be sawed off, once sawed off, it will cause insufficient negative pressure of the riser pipe, and it is easy to block. >>>More

As long as you don't expand the area, don't approve it.

The exhaust pipe of the renovated bathroom does not have an exhaust hole reserved, and it is necessary to see what kind of pipe it is to drill on the pipe, if it is a sewage pipe, it is definitely not. >>>More

1. Refer to the "National Civil Construction Engineering Design Technical Measures 09 Edition": Article 1 stipulates that the height of the roof is "when the house has a setback or a roof, the exhaust duct and ventilation duct should be 2m higher than the roof, and avoid the doors and windows opened on the same floor, so as to avoid the smoke from returning into the room"; >>>More