My foundation was recently lifted in the back of my house. While they were digging to install the pilings. I had noticed just how black the clay was coming from that area of the foundation. I attributed this to my a/c coil condensate pump which pees constantly in that same area. Well, before I had plumbed that copper line coming from the pump to a roof vent. I found I had a leak in my gas line. Even though this leak came 3 months later I am sure it had everything to do with all the lifting that was going on with the foundation jacking. So here is my question. How does one piece these components together. I was assuming the valve had reversed threads on one side to allow one side to draw as the other side walked out on the threads but it does not. The parts I will be using is a 9-1/2"x1" pipe coming out of the house into a 1" 90 degree elbow a 4"x1" nipple below it into the specified 1" valve then into a 32"x1" pipe running to a 1 1/2" to 1" reducing 90 degree elbow then a 5"x1-1/2" and a coupling to tie me into the existing yard line.