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					Originally Posted by  Seriak
					 
				 
				 I was told not to use primer so I didn't and no leaks so far. 
			
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 Did someone just tell you this? Or is it in literature? The use of the primer with the solvent weld is some cases a must. But depends on application and which brand name. The only one I have seen even recommends a primer, but not a must, but only in a drainage application, not a pressure application. Just my 2 cents.