ESP1 Electronic lime scale reducer ? Reduces lime scale problems in hard water areas

Treats up to 35 litres water per minute.
No maintenance costs and electricity costs of approx ?4 per year (at current rates).
Easy to install, simply screw unit to wall, wind the aerial wires round the pipe, as per the instructions and plug in to a 13 amp socket.
Suitable for all types of water pipe, except lead.