We will put an electric generator instead of a counter.
We remove the water accounting mechanism and put in its place the pump from the washing machine. It turns out here is such a simple generator of free-style electricity.
Want to make the same free generator?
Look how !!!
If you changed the water meter to a new one, then do not rush to throw out the old one - it can be turned into a free electric energy generator!
As a generator, the pump drive of a washing machine is excellent, it can be removed from a broken appliance. The generator case almost tight enters the meter case and you can only come up with a fastener system and pick up the o-ring and the free energy generator is ready!
Water test:
An earlier, less powerful version of the generator: