There are details on all of the main main types of shower:
The first thing that needs to be emphasised about a power shower is that it does not heat water - it merely pumps existing tank-fed hot water together with tank-fed cold water to produce a high pressure shower with excellent rates of flow.
A power shower is usually installed with a variable shower spray head that can produce different spray patterns including massage or pulse.
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A power shower cannot be used with combination boilers, unvented heating systems or with mains pressure cold water.
Power showers come in two distinct varieties, the integral power shower (as shown left) and the composite power shower (as shown below).
Integral power showers consist of a small pump, together with a mixer valve housed in a compact box, plus slider rail kit and a variable spray pattern shower head.
Composite power showers consist of a shower pump, a shower mixer valve and spray head. The pump is designed to be hidden away in the airing cupboard, and then a suitable mixer valve and spray head is used in conjunction with the pumped water.
Composite power showers are more expensive than the integral type, but are much neater and give you the option of choosing a shower mixer that suits the overall look of the room.
As with shower mixer valves, power showers can be prone to temperature fluctuations when water is used by others in the house whilst the unit is in operation. We recommend the use of thermostatic power showers, as they stabilise the temperature and prevent scalding.
A power shower, as its name suggests, produces a powerful jet of water. Most shower cubicles are designed to handle power showers but care must be taken if you are planning on using a power shower with a bath/shower screen or shower curtain as splashed water might escape the showering area.
Another thing that must be taken into consideration is that power showers can use a lot of water if used for prolonged periods. A power shower run on it's highest setting for 10 minutes could fill a bath. If people will be using the shower one after the other, you might find you will run out of hot water!
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