This year I plan to put a small Hot Dawg furnace in the detached garage. I will have to tee in to the primary regulator output and run a line over to a new secondary regulator. This is a 500# pig.
Back when I installed this system decades ago, I used 1/2" copper line. Is copper still the line of choice for running between the primary and secondary regulator underground?
I tried googling around for installation guidelines for propane and didn't find anything useful to me.
Thanks,
Wes