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It is much better to reserve a hot water pipe than not to reserve it when the hot water is put in hot water.
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Just add insulation.
It is best to install a separate electric hot water faucet for the kitchen faucet, because the pipe is too long and you can't solve the problem of the pipe being too long.
In the case that the kitchen and bathroom are far away, the effect of installing any water heater will not be too good. >>>More
If you want to use hot water in the kitchen frequently, you can choose an electric kitchen Lebao, Haier, Midea and other brands.
It's going to be dangerous, and the gas company won't change it for you.
There is no need, you can install an air energy water heater is enough, 4-5 people install a 150 liters of a horsepower host, because the distance of 4-5 meters is very short, not a lot of water is wasted, if you add back water, the first cost is high, the second is to increase the electricity bill.