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Installation Requirements
This shower valve must be installed in
compliance with current water regulations.
If you have any doubts about the water
regulation requirements contact your local
water services provider or use the services
of a professional plumber.
This shower valve is suitable for use with
the following water supply systems.
• Gravity Fed Hot and Cold
(pressure Balanced)
• Gravity Fed Hot and Mains Cold
(differential pressure – see Specification
section on page 6.
• Instantaneous Water Heater
(combination boiler)
• Unvented System
• Pumped System
Gravity Fed Hot and Cold
Cold mains supply
10
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1m
min
Important: If you install this shower
valve with a gravity fed system, there must
be a minimum head (vertical distance)
from the underside of the cold water
storage tank to the showerhead position of
at least 1 metre.
Note: Pumped system (with Essex
flange) If you install this shower valve to a
pumped gravity fed system where the
minimum head (vertical distance) from the
underside of the cold water storage tank to
the top of the hot water cylinder is less
than 1 metre we recommend an Essex
flange is used as shown on page 11.
Flushing Pipework
Important: Before connecting the
shower valve (see Installation on pages 17-
18), supply pipework must be flushed to
clear debris before connecting the shower
valve. Debris will reduce the performance
and life of the shower.
Gravity Fed Hot and Mains Cold
Cold mains supply
1m min
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