Sink won't drain. Removed U-bend, not clogged. Rotated right-angle bend upside down and able to pour water down. Live in a flat. Bathroom all works fine. Haven't tried dishwasher / clothes washer
VIVA 32mm 40mm U Bend P S Trap Basin Sink Waste Pipe Telescopic Swivel EASI-FLO | eBay
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Sink Not Draining
How to Clean a P‐Trap or U‐Bend: 10 Steps (with Pictures)
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Trap (plumbing) - Wikipedia
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Kitchen Sink Combination Waste Plug & Chain Overflow Telescopic U Bend Trap Kit | eBay
Bathroom basin u-bend leak? - www.ultimatehandyman.co.uk
How to Install or Replace a Swivel S Trap Waste Fitting for a Bathroom Basin or Kitchen Sink - YouTube
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The Parts of the Plumbing of the Bathroom Sink
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:max_bytes(150000):strip_icc()/replacing-a-sink-p-trap-2718773-05-e2daaa7f753442098e0e9769dcc1684b.jpg "How to Replace the Drain Trap on a Sink")
How to Replace the Drain Trap on a Sink
