Products that meet the cold resistance requirements of JIS standards
To prevent the surface of the faucet from getting hot, the water mixture inside is covered with a layer of air or water, and it is designed to be safe to touch unintentionally.
Products with warranty
With a thermostat type faucet, if you set the desired temperature, it senses changes in the water temperature and maintains the set temperature.
It has a check valve to prevent the backflow of hot water into the piping.