The sink hole cover the Richard used to seal the hole from the old shower head is manufactured by Danco and can be found at home centers. The other materials Richard used to complete the valve replacement, including the copper pipes, copper fittings, solder and flux can all be found at home centers and plumbing supply houses.
Shopping List
Pressure balanced shower valve Retrofit cover plate for valve ½-inch copper pipe and fittings Solder Flux Tub spout Shower head 2x4 dimensional lumber Pipe hangers