How Bathroom Sink Works
Most bathroom sinks are smaller in size as compared to kitchen sinks and are available in all shapes and sizes.
Bath sinks can be set into counters on top of bath cabinets or wall-mounted. They are also available as freestanding pedestal models. I have seen many of these and they are truly beautiful. Some of them offer storage but these are little expensive.
How Bathroom Sink Plumbing Works
Most bathroom sinks have two fixture holes on 4, 6 or 8-inch centers. The wider
Bathroom Sink Plumbing Diagram
ones are meant to receive a split-set faucet while the 4 or 6-inch holes may receive a center set or single-lever faucet.
The drainpipe that fits in a bath sink usually is fitted with a pop-up stopper that raises and lowers when we pull up or push down on a handle that protrudes through or behind the faucet body.
The Sink drain has a flange sealed to the sink hole with plumber’s putty. The flange is fixed into the drain body with screws, which is tightened to the underside of the sink bowl with a locknut. The tailpiece attaches to a drain trap with slip-joint couplings.
Supply tubes (flexible) carry water from shutoff valves at wall to threaded tailpieces on the faucet base.
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