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neilju 04-28-2009 12:24 PM

Toilet wast pipe

Hope someone can help.

I am about to fit a new toilet but need to check on the regulations. I have looked through the building regs part H but found no joy. Is it possible to turn right from the pan then go straight for about 3 feet through the external wall then right again for another 1 foot into the stack? I have been told informally that i can only have a bend every 6 feet. Is this correct?



Grampa Bud 04-28-2009 01:15 PM

Get a plumber pal. They put in closet bends directly below the toilet flange so the waste gets a fast vertical fall for momentum. That's one 90 degree turn. The best course for your waste to follow is a direct path to the 4" main stack. Don't try to build in an obstacle course for it or you will be on the end of a plunger for ever.

neilju 04-28-2009 01:37 PM

Thanks for reply.

I will get plumber to fit the new suite but i need to plan the partition wall first. i hope to run the pipe right from the toilet and then one final 90 degree turn into stack. Do you know if this is possible?

RegeSullivan 04-28-2009 02:53 PM

You need to use the proper radius and at least 3" pipe. I am not aware of an limit to the number of bends only the radius of the bends. I don't understand the part about a "pan" or the "external" wall. Usually a toilet is plumbed from under the floor and the waste would route in the bay of two joists to a stack. If you can provide a better description maybe I could be more help.



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