Plumbing supplies can range from minor tools and fixings for the DIY fanatic to large machinery and heavy supplies for fully qualified tradesmen. Some more commen plumbing supplies found in DIY chains as well as specialised plumbers merchants are:

pipes
plumbing tools
kitchen and bathroom units
heating products
showers, taps etc
brassware

Plumbing supplies should only be purchased from a reputable supplier, [...]