Grundfos STN-2.0 B Universal Head Shower Pump

The Grundfos STN 2.0 Bar Shower Pump is WRAS certified and can be installed in domestic water pipe systems. It increases the water pressure in the shower or in the tap of a washbasin, providing a more powerful flow of water, which is also pleasant with rain shower systems. The pump provides a maximum pressure of 2 bar. This model pump is universal, making it suitable for use in situations with either positive or negative head. With a positive head, the water flow is always natural. The water source, such as a cold water tank, is situated above the pump, so that the water flows into it automatically as a result of gravity. A negative head means that the water supply to the pump does not occur naturally, because the water source (for example a cold water tank) to which it is connected is situated at the same height or a little lower than the outlet. As a result, the water needs to be pushed up by the pump rather than flowing through automatically.  Cold water storage tanks are normally