Shower - instant electric
Planning for the electric shower
This type of shower heats the water by means of an electrical element. The unit will have a thermostatic control to regulate the water temperature. The water must be supplied via a 15mm connection to the rising main.
The position of this in relation to the location for the new shower will need to be established.
Generally it is a straightforward task to provide a branch supply from the rising main. The only real limitation for the siting of the shower is dependent upon the means of providing drainage. With the availability of pumped waste systems, even this may not present a problem.
Where the shower unit is to be mounted over a bath, there is obviously no need to consider arrangements for drainage since they already exist.
Where the shower is to be installed as part of a cubicle, you will need to refer to the section on installing a new shower cubicle.
Establish the position for the shower components. The shower unit itself will need to be easily operable when using the shower. The spray head rail will need to provide height adjustment to suit all those using it.
Electricity supply for the shower
The shower will also need an electrical supply.
However, strict rules govern what electrical work can be done without notification and inspection. Unless you are qualified to carry our such electrical installations, you must seek the services of a professional electrician for this part of the work. Liase with them to establish the order of work.
Water supply for the electric shower
Hold the shower unit in its intended position and mark the point at which it will be connected to the water supply.
Run a 15mm copper pipe from here to the rising main. Where possible it will look neatest if this can be taken through the wall adjacent to the shower so that only a minimal amount of pipework shows. An isolating valve should be fitted in the pipework near to the shower unit end to provide a separate means of turning off its water supply.
Mount the shower unit on the wall as specified in the manufacturer’s instructions and connect to the water supply pipe using a compression fitting, or the supplied connector if there is one.
Switch off the supply for the rising main and fit a 15mm branch to this. This is done by fitting a ‘T’ piece, using either compression or solder fittings depending upon the situation and your preference.
Switch the water back on and check for leaks.
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