WHALE Watermaster Mains Water Connection. The easy way to connect to mains water - simply hook up for a constant water supply without carrying heavy containers or draining your battery. Now fits both WHALE and Truma Sockets on UK vans. Suitable for use with caravans and motorhomes with either microswitch or pressure switch systems. Regulates mains water pressure to nominal 1.5 bar (max. 1.8 bar). Kit includes: 7.5m lay flat hose.with WHALE Plug and hose connector to the tap. Also supplied is a Plug Adaptor compatible with Truma Ultraflow Sockets. Tips: Ensure your Watermaster Mains is unplugged when not in use or when van is unattended. Ensure Watermaster Mains is kept in a clean dry storage area away from direct sunlight when not in use. Can be used as a hose pipe by fitting the plug adaptor to the plug which will allow water to flow. Please Note: To use the Watermaster Mains Water Hook Up with an onboard Smartflo pump, the inlet strainer (if included with the pump) must be removed. Sold in singles or Outer Boxes x 10.