8
Hose Retaining Ring fitted and shower fittings fixed at a suitable height preventing
dirty water backflow.
Zone of
Backflow Risk
30 mm
Minimum
Toilet or Bidet
FC5
Hand Basin
FC3
Bath or Shower
Tray FC3
Electric
Shower
25 mm
Minimum
25 mm Minimum
15.
A full bore/non restrictive servicing valve must be fitted in a readily accessible
position adjacent to the shower to facilitate maintenance of the shower.
DO NOT
use a valve with a loose washer plate (jumper) as this can lead to a
build up of static pressure.
16.
A water treatment device should be installed where the water hardness may
exceed 200 ppm. Malfunctions caused by excessive limescale formation are
not covered by this shower’s guarantee (see back page for details).
17.
The installation must not cause the hose to be sharply kinked during normal use.
18.
DO NOT
perform the electrical installation until the plumbing has been completed
and checked for leaks.
Note!
There will be occasions when the hose retaining ring will not provide a suitable
solution for Fluid Category 3 installations, in these instances an outlet double
checkvalve must be fitted, this will increase the required supply pressure typically by
10kPa (0.1 bar). Double checkvalves fitted in the inlet supply to the appliance cause
a pressure build up, which affect the maximum static inlet pressure for the appliance
and must not be fitted. For Fluid category 5 double checkvalves are not suitable.
