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.
Here's [art what my Google search found:
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