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Automatic compact charging unit to EN 1717 standardwith BA type backflow preventer, shut-off valve,strainer, pressure test ports for controlling the backflow preventer, pressure reducing valve. | Caleffi S.p.a.
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Module 160: The application of non-mechanical arrangements to prevent backflow in wholesome water systems - CIBSE Journal
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Module 160: The application of non-mechanical arrangements to prevent backflow in wholesome water systems - CIBSE Journal
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Ecofresh intelligent toilet Integrated Electronic Bidet D-shape Atuo flush wall-hung and back to wall toilet storage tank WC - AliExpress
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EN 1717 General Requirements for Protection Against Pollution of Drinking Water in Water Installations and Devices
![Automatic compact charging unit to EN 1717 standard with type backflow preventer, shut-off valve, strainer, pressure test ports for controlling the backflow preventer, pressure reducing valve. | Caleffi S.p.a. Automatic compact charging unit to EN 1717 standard with type backflow preventer, shut-off valve, strainer, pressure test ports for controlling the backflow preventer, pressure reducing valve. | Caleffi S.p.a.](https://www.caleffi.com/sites/default/files/product/cover/580011.jpg)
Automatic compact charging unit to EN 1717 standard with type backflow preventer, shut-off valve, strainer, pressure test ports for controlling the backflow preventer, pressure reducing valve. | Caleffi S.p.a.
![Module 160: The application of non-mechanical arrangements to prevent backflow in wholesome water systems - CIBSE Journal Module 160: The application of non-mechanical arrangements to prevent backflow in wholesome water systems - CIBSE Journal](https://www.cibsejournal.com/wp-content/uploads/2020/03/CIBSE-Journal-April-2020-CPD-Figure-1.jpg)