8
Dual control built-in thermostatic mixer shower
INSTANTANEOUS WATER HEATERS
APPLIANCE CAPABILITIES
In order to ensure the best performance from
the shower when connected to an instantaneous
water heater, the appliance must be capable of
raising the temperature of the incoming water
to a minimum of 52°C (125°F) and delivering a
flow rate of not less than eight litres per minute.
Flow limiters are supplied to control the
maximum flow. To fit the flow limiters first
remove the filter caps from the hot and cold
inlets. Each filter cap contains a check valve and
mesh debris filter, held in place by a ‘C’ clip
(fig.6).
Carefully remove the ‘C’ clip and remove the
filter and check valve. Replace the existing check
valve with the combined check valve and flow
limiter supplied.
IMPORTANT: When fitting the flow limiters
note the correct facing.
Refit the mesh filter and secure in place with the
‘C’ clip.
Repeat the process for the other filter cap. Screw
the filter caps back into the valve body.
With the flow limiters fitted and the system in
use, the on/off flow control should be turned
fully anti-clockwise to full flow setting.
Fig.6
Wire filter
Combined check valv
and flow limiter
Filter cap
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