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配管製品 Bristan PIV BAS CのPDF 取付説明書をオンラインで閲覧またはダウンロードできます。Bristan PIV BAS C 16 ページ。

Hard Water Regions in England and Wales*
Soft to
moderately soft
0 - 100mg/l as
calcium carbonate
equivalent
Slightly hard to
moderately hard
100 - 200mg/l as
calcium carbonate
equivalent
* The map above shows England and Wales only. Scotland has mainly Soft water.
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Hard to very hard
Above 200mg/l as
calcium carbonate
equivalent
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