I just got my new P38. In looking at the pipes that i got and i don't think a 1 foot pipe is long enough. the outside pipe will be held a certain distance from the wall by the bracket so that distance is fixed. So with that distance fixed then the 1 foot pipe for thru the wall, the t pipe, and the small connector to the stove are what will position the stove distance from the wall. which I think will be to close. I have room to put it 3 " from the wall. So my question is how can I gain a few inches if needed? Do they sell shorter pieces of pipe? all pipe was bought from the dealer. It says metal-fab inc.