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Guided 3D tour · 8 parts
Kitchen connections
The supply, waste and fittings behind a kitchen sink.
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Sinks are available in stainless steel, granite composite and other materials, with one or two bowls and a drainboard.
Sink mixers may be wall-mounted or deck-mounted, often with a swivel spout.
Angle valves on the supply let you shut off water to the sink or a purifier without affecting the rest of the house.
A waste coupling with a strainer connects the sink to a trap and the waste pipe.
The waste pipe slopes from the trap to the floor or wall outlet that joins the drainage system.
Concealed supply pipes rise to the mixer and branch to angle valves for appliances.
A separate valve and connection is typically provided for a wall-mounted water purifier.
Wall tiles behind the counter protect the wall from splashes and are easy to clean.
Educational visualization only. Layouts, sizes and materials are simplified and are not an engineering drawing, installation guide or guarantee of compatibility. Consult a qualified engineer or plumber for your project.
Kitchen sink, mixer, under-sink valves, trap and wall pipework.
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