Let´s go to work
Step 1: Materials
*- A water meter (of course!) in mi case a 3/4 new generation polymer home water meter.
*- 1st step water filter (this can be removed) but i considered usefull.
*- 2 3/4 galvanized union nut. (it can be copper but it´s more expensive)
*- 2 3/4 copper elbows.
*- 1 3/4 copper elbow with rope.
*- 4 3/4 copper weldable coupling. If you removed water filter only use 2.
*- 3/4 copper tuber. The quantity that you need.
*- Teflon tape.
*- Anti-seize can
*- Blowtorch, welding and solder paste.