If pipe "A" is 6" from the center of the wall and pipe "B" is 9" behind it, that is 15" and gives you 12" for the toilet and 3" from the face of the...
J R Smith used to make 1 1/2" "sediment traps" for undersink use, but I don't see them in their current catalog. Wade, Zurn, or Josam probably still...
If they are ''air bubbles" then the valve is not shutting off tightly and the slight flow of water is aspirating air from the refill tube. BUT, there...
The green wire is a ground. To be code compliant, you need to put in new 3 conductor wire and bond the green wire to the casing, well cap and to the...