A water heater set at 60 degrees connected to four hot and cold mixing faucets, three bathrooms and

You can contact the dealer and let the dealer install the equipment for you, these equipment dealers have the ability to install it for free, and you need to explain to the other party that it needs to be installed by the dealer when you buy.

Hello according to your description for the following answer, the water heater position is left four holes for the installation of the water heater fixation, as well as the ground wire fixing.

Yes, generally one bathroom can choose 10L; One bathroom and one kitchen option 12L; Choose 16L or more for two bathrooms and one kitchen (if you consider using water at the same time, it is better to use more liters).

It is completely possible to connect the cold and hot water pipes of the two rooms when installing the pipeline, and install two "dark fast valves" in the middle, and open or close the dark fast valve when using it to realize the conversion of cold and hot water in two rooms. The dark fast valve is generally sold in plumbing hardware stores, the price ranges from 60 to 150 yuan, try to buy the brand, because it is very troublesome to repair and replace.

First, check to see if the main valve in the bathroom without water is open, including the corner valve under the basin. See if there is hot water in this way. In this way, if there is no hot water, you can consider whether the pipe itself is blocked, and secondly, you have to look at whether the pipes of the two bathrooms are connected together.