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old kitchen waste pipe looping in and out of wall
Anonymous user 23/02/2024 - 2.57 PM
Refurbishing kitchen. The kitchen sink is against an external wall. Very old (lead I think) sink waste pipe, after the trap, goes straight into the wall and then comes out again directly below. So it loops in and out. What is the reason for this? The builder said he is going to cut it out and install a plastic straight waste pipe. Is there a vent pipe connected to it inside the wall or something? The flat is on the first floor of a 5 storey block, and was built in the 50's.
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1 Answer
Anonymous user
Hi beware of cutting of pipework when one does not know the run many old flats had a two pipe waste system one for taking waste and water away and a vent pipe to allow air in which is a two pipe vented system if installing new sink reconnect vent pipe
Answered22 June 2015
1