water softener

US /ˈwɑː.tər ˌsɑːf.nər/
UK /ˈwɑː.tər ˌsɑːf.nər/
"water softener" picture
1.

軟水器

a device or substance that removes minerals (such as calcium and magnesium) from hard water, making it soft

:
We installed a water softener to prevent scale buildup in our pipes.
配管のスケール蓄積を防ぐために軟水器を設置しました。
A water softener can extend the lifespan of your appliances.
軟水器は家電製品の寿命を延ばすことができます。