WaxiesDargle said:Thanks for the reply. I'm thinking this will be ok as it will only be an EVL of 7 or so before it converts to 4". Are there any guidelines for a hybrid 3-4 setup or is it as long as your 3" section is under 15 you are good? Just curious.
They know better (or at least they should now), they are trying to meet you half way...but it should have been 4" all along. I would insist on 4" thoughout. Oh, and don't let them make you feel bad for insisting on a correct installation. They are the professionals, so they should do it right and compensate you for giving them training on EVL... ;-)