The minimun figures are
running
pressures with at least 5 l/min flowing.
The use of other services connected to the water pipe supplying the shower heater may cause the water pressure to
drop below the minimum.
Figure 2.6 Siting of riser rail and heater.
The following conversions may be useful:
1 bar
=14.5 lbf/in
2
=33.3 ft head of water
=10m head of water
=0.1MPa
1 lbf/in
2
= 2.3ft head.
2.2
Electric shower heaters are normally plumbed into the mains water (except for special low pressure versions).
However, the shower heater may be fed from a storage tank as long as there is a sufficient head of water.
2.3
Mount the shower heater on a flat vertical wall with the outlet, to which the hose is connected, pointing
downwards. The shower must be securely fixed to the mounting surface using suitable mechanical fixings in the three
mounting points. Adhesive must not be used.
2.4
Ensure that the shower heater is not in the direct spray of a normally parked handset.
2.5
Allow room around the shower heater for removal of the front cover.
Page 6
2.6
Position the riser rail close to the heater, not necessarily on the same wall (but bear in mind
paragraph 2.4
) so
that, in its highest parked position the handset is no more than 610mm (24") above the bottom of the heater, and in
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