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If the mains water pressure is insufficient then a Triton T450i single impeller pump can be used to supply water to most electric showers. Alternatively an integral pumped shower such as the T90xr can be installed.
Note: pumped showers must be fed from a cold water cistern they must not be connected to the mains cold water supply.
Considerations when replacing an electric shower are:
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Dimensions of the unit (will the replacement shower cover existing tiles and screw fixings)
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Cable and water entry points (are they compatible)
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Kilowatt rating of the unit (is the existing cable and fuse size adequate for a higher kW rating )
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Incoming electricity supply to the property (is the supply adequate i.e. 80 or 100amp for a higher kW rating )
The T80z Fast-Fit is recommended as a replacement for all previous models of T80 i.e. T80Mk3, T80i, T80si, T80xr and T80z.
The T80z Fast-Fit is also an ideal replacement for other makes and models as water and cable entry points are on both the left and right hand side of the unit.
The minimum water pressure required depends upon the model and its kilowatt rating.
Some units will continue to operate at a reduced flow performance on a minimum running pressure/flow of 0.5bar at 8 litres per minute. However for full flow performance from all electric showers the following pressure and flow is required.
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7kW to 8.5kW showers require a minimum running pressure of 1 bar at a minimum flow rate of 8 litres per minute
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9kW and 9.5kW showers require a minimum running pressure of 1 bar at a minimum flow rate of 9 litres per minute
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10.5 kW showers require a minimum running water pressure of 1.5 bar at a minimum flow rate of 11 litres per minute
The fuse size must be equal to or the nearest size above the kilowatt rating of the shower i.e.
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7kW = 30/32amp mcb
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7.5kW = 32amp mcb
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8kW = 40amp mcb
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8.5kW = 40amp mcb
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9.5kw = 40/45amp mcb
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10.5kW = 45/50amp mcb
Frequently asked questions
The size of cable that can be used for an electric shower depends on a number of factors which includes, the kilowatt rating of the shower, the method of cable installation, any de-rating factors and the length of circuit. In some cases 6mm² cable will be adequate for a shower rated up to 8kW. For showers above 8kW it may be necessary to install 10mm² cable.
In order to comply with Part P building regulations a competent installer familiar with the requirements of the current I.E.E regulations must assess the proposed circuit in order to select the correct cable size.
You can either request an engineer visit via this site, or alternatively contact our customer service department on serviceenquiries@tritonshowers.co.uk or call 0870 067 3333
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