What do you mean by closed hot water supply system and open hot water supply system? Why do public **** baths use open type?

Open hot water supply system means that the hot water pipe system is still connected to the atmosphere after all distribution points are closed. Public **** bathroom hot water supply system should be open hot water supply system, so that the network water pressure is not affected by changes in water pressure outdoor water supply network, to avoid high water pressure caused by waste of water; also easy to adjust the cold, hot water mixing faucet water temperature.

Closed hot water supply system means that the hot water pipeline system does not communicate with the atmosphere, that is, after all the distribution points closed the entire pipeline system is isolated from the atmosphere, the formation of a closed system.