manikova chose an inexpensive flow-through heater for 3,500 on the advice of friends, but somethingn we brought it home, my dad swore because it turned out that he was something like that, and he really started drinking it . you go underwater and you feel a tingling sensation that really feels like electricity, it might hit someone else harder and so on. that is, you don't feel safe when you take it. anna's husband had to disassemble the device and change its design, connecting the wire to the water tank. our resident expert, physicist vladimir reshetov, explains that initially there was no grounding here, and the problems disappeared when it appeared thanks to skillful hands. there is no voltage on this body, the ground worked, this water heater bit when it was not grounded. people are for it... we also bought and tested for electrical safety two other flow-through heaters, those models about which buyers often complain, write that these devices often fail, the cost of the first was 6,000 rubles, the second 2,400. both devices we came across turned out to be in good working order,