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it says a category 3 backflow prevention device, but I would need 5. Is that the air gap? Where is the air gap incorporated...in the seat?

Sorry for all the questions. where can I find the bulletin you sent me aqua? Is it suitable to be connected to the water main?
 
Has anybody just watched bbc4 , the toilet , a history. They had a Japanese all singing all dancing wash, wipe, and hot air. They must have been on the forum, watching, listening, spying on us .
 
the client now has asked me if I could install the douche on the wall so it wont reach the toilet? I said where will the water go and washing? She did not know? Surely any way, if you do put it on a short hose, you need to have a waste for the water to go in. What if the taps fail and water goes on the floor and into all the flats below.

its amazing what she has tried to get me to install.

Is there a reg that says there needs to be a waste where a tap is(douche) that does not reach the toilet?
 
The minute you walk out the door she'll be down the sheds buying a 2 metre shower hose that reaches the loo.
 
sorry link did not copy go to wras.co.uk and look for water fittings and materials directory
 

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