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Electric Shower Installation
 

Electric shower installation pitfalls

 
MD Triton Showers

Thirty six million people can't be wrong! This is the number of people in the UK who already enjoy showering, an activity which is gathering momentum. There are a number of issues that installers and the end user need to take note of before purchasing and installing a new or replacement electric shower. Fifty percent of all showers sold in the UK have replaced an existing product and changing one electric shower for another is perceived to be a easy job. However, not following procedures and guidelines can 'end in tears'.

Lorna Fellows, managing director of Triton Plc talks about common electric shower installation pitfalls. The following are some of the fundamental issues that people need to be aware of when buying a replacement unit.

 
 
Electric Shower   Firstly, identify what product you are replacing? What is the thickness of the cable from consumer box to the shower? Are the length of run, type of cable etc. as per current IEE regulations? What is the kilowatt rating of the existing unit? An electric shower must have its own separate radial circuit run from a spare fuseway at the fusebox. The circuit should also incorporate an RC.D. in the event of a live to earth fault condition.
 
If you have decided that you want to upgrade your shower, for example from a 7.5 kw to an 8.5 kw unit, or indeed an 8.5 kw to a 10.5 kw unit, you need to ensure that the power supply to the property has sufficient spare capacity for the shower circuit. It might be necessary to ask the electricity company to upgrade the supply.

The cable size must also be considered, depending on the product and site conditions. It is now recognised as good practice to install 9.5kw and 10.5kw rated showers on a minimum cable size of 10 mm squared.

Having established that the electrical supply is compatible with the kilowatt of the shower unit, prior to installing the replacement shower the water pressure must be measured. The water supply to the property should be tested to ensure the pressure and available flow meet the product specification. Sometimes the water supply will not meet the requirements of high performance models. Having identified that the water supply is okay, the water supply should be flushed through prior to connection with the shower (this is particularly important when installing a new shower but is a 'belt and braces' approach for a replacement unit). Once the shower has been installed, all connections made to the fuse, the isolating switch and shower terminal block should be double checked to avoid loose connections.

The shower installation should be carried out by a suitably qualified person and must comply with current Water Supply Bylaws and IEE wiring regulations. All Triton showers carry an installation guide, the details of which should be studied and followed carefully. This will be the best chance for the installer to 'fit and forget' and for the end user to enjoy many happy showering experiences.

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