Original poster: "Lau, Gary" <Gary.Lau@xxxxxx> The only down side to what you have is that it will be heavier than a thinner pipe. But functionally speaking, this shouldn't matter. Regards, Gary Lau MA, USA > Original poster: John <guipenguin@xxxxxxxxx> > > I need a 4" diameter pvc pipe for my current coil spec. > > I got a cut off which has a thickness of about 1/4 an inch. Is this too thick?>