Quote:
Originally Posted by dieseljeep
If you look at the water piping circuit in the basement, you'll find, that the toilets and the cold water on the kitchen sink are not softened.
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Maybe, but not always.
In my house (built 1993) the only hard water is plumbed directly to only the outdoor hose bibs.
My father's house (built 1954) had a third faucet valve added at the kitchen sink to allow for unsoftened drinking & cooking water. The only other hard water connections in his home ran to his outdoor hose bibs.
Neither home had hard water running to the toilets, and I can't see why anyone would want that. Toilets would likely be the first to show rust staining, and the homeowner would constantly have to be fighting that.
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