Anything heating up water, makes it necessary to to install a water softening plant or either the device - and/or the piping is in for a change after 15 to 25 y

Anything heating up water, makes it necessary to to install a water softening plant or either the device - and/or the piping is in for a change after 15 to 25 years (depending on the lime levels in your water table). https://en.wikipedia.org/wiki/Water_softening https://en.wikipedia.org/wiki/Water_softening PS: Dont be fooled to buy a system with mandatory ion-exchanger cartdrige. All one needs is salt to rejuvenate the ion exchanger.