( bottom of waste fitting to centre line of pipe going through wall ).
Can I add a p-trap in series with a sink to create a washing machine standpipe?
KITCHEN SINK P Trap With 2 Washing Machine Waste Pipe Spigot Connections £15.49 - PicClick UK
( bottom of waste fitting to centre line of pipe going through wall ).
Kitchen Sink P Trap With 2 Washing Machine Waste Pipe Spigot Connections
What is the issue if the P-trap is clean, but the sink won't drain? - Quora
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