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Bathroom waste water pipes
- Thread starter leekman
- Start date
Best to use 50mm waste pipe and anti vac traps for your appliances as you run the risk of losing trap seal 
Limit your runs of 32/40mm stuff to about 2 metres then complete the run to the stack with 50mm waste. The increase in diameter ensures that the 50mm pipe doesn't run full so air from the stack can always reach the small pipes. Keep a close eye on your falls to make this work. You don't want the small pipes dropping faster than the big one. You don't have to be rigid about that 2m either. Draw the pipe layout first and something will suggest itself.
Felix =Top guy
Very knowledgeable and I admire your posts
Very knowledgeable and I admire your posts
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