There are 3 holes next to each other on the roof of the bathroom, is there a safety hazard A small h

It may be that the waterproofing of the bathroom is not done well or the waterproof performance of the wall tiles is poor. There is also a possibility that the connection of the water pipe wire mouth is a little leaky (mainly against the wire joint of the bedroom wall), and the change (rust) between the wire mouths after the water is stopped does not leak. You use the shower to see if the wall will get wet. >>>More

This phenomenon is normal. Because the three bathrooms use an electric water heater, and the water supply of the water heater is fixed. If three bathrooms use hot water at the same time, and often adjust hot and cold water, then it is easy to cause the water in the three bathrooms to be hot and cold. >>>More

According to the needs of life, if this house is occupied by yourself or the couple, then you can consider not using it. >>>More

If it is a self-built house, it is recommended to direct the bathroom sewer to the outside, and separate it from the kitchen sewer - you can't just walk a sewer indoors, it is easy to smell back!

Three bathrooms, three bath bombs, I think it's better to use three groups of special lines, so it's safer, although the probability of you using them at the same time is not too high, but in case you use them at the same time, the wattage is very high, if you have a set of lines, it is easy to be dangerous, after all, civil electricity, can not use too much power, three groups of bath bombs together, the power is a bit too high.