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The limited number of 15 cm smart toilet does not seem to work, which may affect the failure of the smart toilet, thank you.
Simple water seal, practical, to prevent the sewage pipe and septic tank foul odor overflow, to avoid the smell spread to the bathroom.
Now the toilet comes with an S bend, so it is all straight pipes!
It is recommended to choose the pipe of the curved water trap, which can play the role of water seal and avoid odor!
The construction sequence is to make waterproof first, and then test the water, if there is a problem, it needs to be repaired and then test the water, and then make the sewage pipe after there is no problem, which pays attention to the protection of semi-finished products.
Wrap the exterior with soundproofing material to make stone.