Mac Moonfire
SAWHORSE
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
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