plumbing Hackney Union of two pipesA union is similar to a coupling, except it is designed to allow quick and convenient disconnection of pipes for maintenance or fixture replacement. While a coupling would require either solvent welding, solder czytaj dalej na tej stronie
plumbers Hackney Plumbing codePlumbing code is a code that provides regulations for the design, installation and inspection of building plumbing and sanitary systems. In the U.S., jurisdictions enact their own codes, some of which are based upon dowiedz się więcej tutaj
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