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Yes, if you consider the problem of hot water returning to the sun, you can install a check valve to solve it.
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Yes, you can ask a plumber to help.
It depends on the distance between your kitchen and bathroom, the location of the water meter, the direction of the water pipes (from the underground, from the ceiling, the open pipe), and the amount of water switch you have reserved. Location-specific measurements are required to determine how much to use.
Most of the water pipes used for home decoration are PPR pipes, and some local pipes use some PVC pipes. >>>More
First of all, you should know what the size of the bathroom and kitchen is. >>>More
Eh, as for whether you can use a sewage lifter for two bathrooms and one kitchen, it is best to ask a professional decorator to tell you, and this problem will be solved.
First of all, the waterproof materials used for waterproofing these three parts are different. The kitchen and bathroom can directly use the kitchen and bathroom waterproof slurry, and the balcony needs K11 waterproof slurry flexible + mortar waterproofing agent combined construction. >>>More