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					Originally Posted by  Bugger
					 
				 
				SO two drains can handle 3400 gph 
			
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 2 standard non-siphoning drains? it would depend on the size, and orientation of the pipes. i.e. a 90 degree bend and a horizontal run at any point in the drain line could cause a 'backup' and limit the amount of air/water able to flow through. PM me your plans and I'll take a look.