If you have a dripping tap or one that runs constantly, use the Hydroseal Tap Washer Pack. It is quick and easy to install and will positively seal your dripping tap for hot or cold water. Hydroseal Tap Valve seals dripping taps as it utilises the principles of hydraulics to assist in making the seal instead of relying solely on the physical force applied by the user. Long lasting, high quality brass connection| Suits hot and cold water taps, low or high pressure