The power shower benefits from an integral pump fitted in the system for added pumping power and are very affective. The down side is that they tend to be bulky in there form. Southwark Plumbers can fit power showers.Tips: You will need a part-P qualified electrician to make any electrical connections.a). With a combi-boiler or an unvented hot water cylinder fitted, you can fit a power shower, as they need to take their water from a stored, or gravity fed supply. A Southwark Plumber abides by the regulations and is qualified to fit a power shower and will organize the electrical fit.b). There is no difference in pipework, and it is the same as a gravity fed mixer type of shower. Advantages of a Power Shower:a). Pumped water will provide a very powerful shower and because the pump is integral there is only one unit to buy, so they can be quite cheaper than a normal mixer shower.b). Power of the pump can be adjusted so you can save water, yet, blast yourself with a shower when you are in the mood. c). There are no affects from other water use at the same time the shower is on.Disadvantages of a Power Shower:a). They definitely use more water than the average fitted shower and its water supply is taken from a stored source, so it is possible that you could run out of water if you’re not sensible about the way you use it.b). These showers need a positive head, so the water storage tank needs to be located above the height of the shower head, which sometimes may not be possible.c). Because they need a power supply for the pump, a qualified electrician will need to fit wiring.d). Finally their looks are not that good, being large plastic boxes which can look as though you have just gone and stuck them to the bathroom wall.