D
diyclive
I need to modify a 50mm Osma PVC waste pipe run but none of my local plumbing merchants seem to stock Osma range. I can get what I need online but as I only need a few bits the post & packing charges make it rather expensive. Are there any other brands that are compatible with Osma (i.e. hepworth, polypipe, marley etc), I know in the post I've tried mixing apparently same size fittings from different manufacturers and it didn't work! I hope someone can help.