Hepworth Plumbing Products' HepvO® hygienic self-sealing waste valve is making increasing inroads into overseas markets - many of which are now recognising the benefits offered over traditional water seal traps. Latest to 'adopt' the product is the USA.

Recent months have seen extensive work with IAPMO, the principal plumbing industry body in America, on the development of a standard which covers HepvO® in the USA. The product has now been tested to the standard, leading to its approval as a classified product, carrying the coveted IAPMO approval mark.

The product is already accepted, and being used extensively, in locations as far afield as Hong Kong, Australia and South Africa.

HepvO® utilises a purpose-designed membrane. This opens to allow water to flow through it but closes to form an air tight seal when the flow stops. It offers much greater installation versatility than traditional water seal traps and can be installed vertically or horizontally either adjacent to, or remote from, the appliance. Its compact design contributes to space saving and the installation options allow greater freedom in bathroom and kitchen layouts.

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