Since we are talking plumbing and TokyoSlim seems to be an expert, I am looking for some advice as I am building a new house.
My contract calls for plumbing as folows:
Supply lines to be 3/4" Aquapex by Wirsbo.
Laterals and risers are 1/2" Aquapex.
Waste lines shall be 4" schedule 40 PVC underground.
Any thoughts on this? Anything else I should be asking for?
As to bath fixtures, I am using a mix of the Grohe Concetto and Kohler Purist and Watertiles in the...