Wavin Hep2O. 5 x Hepworth Hep2O 10mm x 1/2" BSP basin tap connectors. Push fit Hand Titan. 5 x Hepworth Hep2O 10mm x 1/2" BSP tap connectors. Hepworth Hep20. Boiler Spares. The 1/2" BSP end is typically the size you need for connecting to a basin tap, kitchen sink tap or UK toilet cistern.
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