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Plumbing - CSA B64.10, “Selection and Installation of Backflow Preventers.”

Mac Moonfire

SAWHORSE
Joined
Aug 2, 2019
Messages
89
Location
BC
Anybody has access to CSA B64.10, “Selection and Installation of Backflow Preventers.”?
Looking to answer the following question:
In a 3 storey building, can you have 6” DCVA?
Screenshots or text snippets would be super appreciated.
thank you
 
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