Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
Reply to the thread, titled "Good evening I’m a gas man from Yorkshire. Just need some advice on a wall hung concealed toilet. It’s not my specialty but I need some help" which is posted in The Welcome Wagon :) on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.