Quote Originally Posted by jslo View Post
Don't know your situation (basement, crawlspace) but seems odd service line can't be located. If it's buried behind a wall, seems it would be less expensive and much easier to pull drywall (or whatever). Never had a job I couldn't find the main service lines, yet. Always a first I suppose. Good luck
This^. The vault would be expensive to put a pressure reducer in the ground. Maybe a meter pit would work. I'd go rent a locate device and figure out where the service comes in to the building. Geoshack should rent them.