Increase
Temperature
Decrease
Temperature
12
3
Unscrew the
shrouds.
Remove the
cartridges
and piston.
23
mm
Left
Outlet On/
Increased
Flow
O
Right
Outlet On/
Increased
Flow
Increased
Temperature Decreased
Temperature
General Cleaning
Notes
Operation
1
46
2
5
3
Maintenance - Cartridge Cleaning
Gently
remove the
concealing
plate from
the wall.
Remove any O-rings and soak all
components in de-scaler and wash o
in clean water. Examine all seals and
replace if needed. Use WRAS
approved silicon based grease
on all seals.
2.5
mm
Remove the
handles.
Follow the
Temperature
Adjustment steps
if required.
Reverse the
installation steps,
ensuring the
temperature stop
is aligned correctly.
IMPORTANT
Isolate the
water supply
before
starting!
Troubleshooting
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A Masco Company
Symptom Cause Remedy
No flow or
low flow rate
Partially closed isolation valve. Open isolation valve.
Instantaneous water heater cycles on and o
as flow rate or pressure is too low.
Increase water flow rate or
pressure through system.
Head of water is below the
minimum distance required.
Refer to the specification for the
minimum distance required.
Are the water supply pressures balanced? If pressures are unbalanced, a pressure reducing valve
should be used for optimum performance.
Hot or cold water being drawn o elsewhere
causing pressure changes or instantaneous
boiler temperature changes.
Do not use other water outlets when using the shower.
Airlock or partial blockage in the supply
pipework.
Flush through pipework and filters to ensure removal
of debris and any airlocks.
Hot/Cold water supply has failed Check the hot and cold feeds. The shower will not
work if either fails.
Maximum
Water
Temperature
too Hot/Cold
Maximum Water Temperature
needs adjusting.
Refer to the Temperature Setting section to set your
desired maximum temperature.
Outlet Water
Temperature
too Hot/Cold
Filter/pipe blockage Flush through pipework and filters to ensure
removal of debris and any airlocks.
Installtion conditions outside
operating parameters.
Refer to the specification for the
minimum distance required.
Hot water temperature is less than 10°C
above the required blend temperature
Adjust hot water temperature or wait for water to
reheat if a stored water system is used.
Instantaneous water not igniting because the
water flow rate is too low.
Increase water flow rate through the system. Refer to the
Maintenance section to clean/check the cartridge and filters
for any damage. Contact your boiler manufacturer.
Instantaneous water not igniting because the
water pressure is too low.
Refer to the specification for system requirements.
Increase water pressure through the system.
Contact your boiler manufacturer.
Only hot/
cold water
from Shower
Valve
Inlet water supplies are reversed.
Check the water inlet connections are the correct way
around: Hot on the left, Cold on the right when viewed from
the front. Rework pipework as necessary.
Filter/pipe blockage Flush through pipework and filters to ensure removal of
debris and any airlocks.
Water
dripping
from shower
This is normal for a short time after using the
shower.
This is caused by residual water tension, the build up of
water in the shower.
If water continues to drip,
possibly due to the cartridge
Remove cartridge and clean, refer to 'Maintenance' section
before starting any maintenance.
Shower does
not turn on
Closed isolation valve. Open isolation valve.
Mains water supply turned o. Turn on mains water supply.
Bristan Group Ltd.
UK: Bristan Group, B78 1SG.
EU: Masco Europe S.à.r.l., 14 Rue Strachen
6933 Mensdorf, Luxembourg.
Bristan products are made from premium materials,
with hand polished, PVD, EPD or electroplated finishes.
Your shower should be regularly cleaned with warm water,
a mild pH-neutral liquid soap, and polished with a soft
cloth. Any residues from soap, toothpaste, shampoos and
shower gels can cause blemishes if not rinsed o straight
after use.
Household bleaches and cleaners contain harsh chemicals
and may damage the surface finish. Avoid using abrasive
cloths, scouring pads, scrub sponges, steel wool or
anything similar.
