Can the water in the solar water heater be drinkable?

The inner tank of the solar water heater tank is made of food-grade SUS304 stainless steel, and the seals on the inner tank of the tank are all silicone, non-toxic and odorless, which has no effect on the water quality, but the water in the vacuum tube cannot be completely discharged every day. Breeding bacteria, so it is recommended that you do not eat the water in solar water heaters.