It will work either way, I've done both pre- and after the regulator. You'll
just need to tee the line from the second tank into the original, before or
after.

Karl

----- Original Message -----

> I have installed a second propane tank on my 91 Westy... I know I saw
directions on how to connect the primary and secondary tanks together....
can anyone help.?
>
>  Or at least give some solid direction as to connect prior to or after the
regulator...