Do toilets have air return holes?

The return air hole of the toilet is on the side of the sewer pipe, with a diameter of about 2cm, and the direction is generally opposite to the direction of the water going from the sewer pipe. Only with air return holes can the toilet pump to form a vortex to pump the dirt in the toilet into the sewer pipe, and once blocked, it will also cause the toilet pumping function to fail. >>>More

It is necessary to remove all other drains in the toilet, and use a leather puff to repeatedly press down and suction (to minimize the resistance of the toilet outlet); If not, try plugging the other drains in the toilet with a mop, and use a leather puff to repeatedly press down and suction (to maximize the impact pressure on the sewer pipe). If it does, flush it with water. >>>More

A return air hole is a hole in the toilet bowl near the bottom of the return bend. The air return hole with a diameter of 3 cm is the "big hole" in the toilet, and there is a hole at the bottom, which is the air return hole. >>>More

The hole is on the side of the sewer pipe, with a diameter of about 2cm, and the direction is generally opposite to the direction of the sewer pipe, and some toilet sewer pipes have a small hole in the middle that is also a return air hole. Only with air return holes can the toilet pump to form a vortex to pump the dirt in the toilet into the sewer pipe, and once blocked, it will also cause the toilet pumping function to fail. >>>More

It is because of the blockage that this phenomenon will occur, and there is no other way than dredging! You can go down the street or at the grocery store and buy a toilet drawer, or a wire screw unclogger.