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With an ever-growing range of over 5,500 product lines, from fittings and valves to gas and oil products and stylish taps, at STH WESTCO we’re sure to have everything you need.

Dedicated to finding new and improved products that meet the evolving needs of modern merchants, plumbers and heating installers, we’re responsible for bringing some of the world’s most iconic heating and plumbing parts to market.

With time and financial savings core to our customer-centric approach, we also supply a comprehensive selection of best-selling, everyday essential pre-packed plumbing parts.