Mira DISCOVERY User manual
1
These instructions are to be left with the user
Installation and User Guide
THERMOSTATIC MIXER SHOWER
MIRA DISCOVERYAND DIVERTER
2
If you experience any difficulty with the
installation or operation of your new
thermostatic mixer, please refer to ‘Fault
Diagnosis’, before contacting Mira Showers.
Our contact details can be found on the back
cover of this guide.
INTRODUCTION
ThankyouforpurchasingaqualityMiraproduct.To
enjoythefullpotentialofyournewproduct,please
take time to read this guide thoroughly, having
done so, keep it handy for future reference.
The Mira Discovery and Diverter Thermostatic
Mixer is a Thermostatic Shower Control that is
suitable for connection to concealed pipework.
It has independent selection for temperature
seperate outlets.
The thermostatic mixer incorporates a wax
capsule temperaturesensingunit,whichprovides
an almost immediate response to changes in
pressures or temperature of the incoming water
suppliestomaintaintheselectedtemperature.An
adjustable maximumtemperaturestopisprovided
which limits the temperature to a safe level.
cartridge.
The Mira Discovery and Diverter has been
TMV2 scheme. It also complies with the Water
Guarantee
For domestic installations, Mira Showers
guarantee the Mira Discovery and Diverter
against any defect in materials or workmanship
for a period of three years from the date of
purchase.
For non-domestic installations, Mira Showers
guarantee theMiraDiscoveryandDiverteragainst
any defect in materials or workmanship for a
period of one year from the date of purchase.
For terms and conditions refer to the back cover
of this guide.
Recommended Usage
Application
Domestic ü
ü
Heavy Commercial û
Healthcare û
CONTENTS
Introduction 2
Patents and Design Registration 3
Safety Warnings 3
Pack Contents 4
Specications 5
Pressures 5
Temperatures 5
Thermostatic Shut-down 5
Connections 5
Flow Rates 5
Installation Methods 6
Rear Fixing 6
6
Front Face Fixing 6
Installation 7
Suitable Plumbing Systems 7
General 7
Solid Wall or Stud Partition Fixing Using
Rear Mountings 8
Mounting off Rear Face 10
Solid Wall or Stud Partition Fixing using
2
Control Assembly 14
Reversed Inlet Supplies 15
Operation 15
Flow Regulation 15
Commissioning 16
Maximum Temperature Setting 16
Override Stop Setting 16
Type 2 Valves 17
Fault Diagnosis 18
Fault Diagnosis 18
Maintenance 19
Spare Parts 22
Accessories 23
Customer Services 24
3
Patents and Design Registration
Patents:
Patent Applications:
SAFETY WARNINGS
General
Mira thermostaticmixersareprecisionengineered
and should give continued safe and controlled
1. They are installed, commissioned, operated
and maintained in accordance with the
manufacturer’s recommendations.
2. Type 2 Valves are only used for applications
covered by their approved designations, refer
‘Type 2 Valves’.
3. Periodic attention is given, when necessary,
to maintain the product in good functional
order.
Warning!
1. Read all of these instructions.
2. Retain this guide for later use.
3. Pass on this guide in the event of change of
ownership of the installation site.
4. Follow all warnings, cautions and instructions
contained in this guide.
5. The function of a thermostatic mixing valve
is to deliver water consistently at a safe
temperature. In keeping with every other
mechanism, it cannot be considered as
functionally infallible and as such, cannot
totally replace a supervisor’s vigilance where
that is necessary. Provided it is installed,
commissioned, operated and maintained
within manufacturers recommendations, the
risk of failure, if not eliminated, is reduced to
the minimum achievable.
6. If you experience any difficulty with the
installation or operation of your new shower,
then please refer to ‘Fault Diagnosis’, before
contacting Mira Showers. Our contact details
can be found on the back cover of this guide
7. DO NOT operate this appliance if it is frozen.
Allow the appliance to thaw before using. The
exposed to freezing conditions.
8. The water supplies to this product must be
isolated if the product is not to be used for a
long period of time. If the product or pipework
is at risk of freezing during this period they
should also be drained of water.
9.
oroperatingthe controlsof anyshowershould
be attended whilst showering. Particular
consideration should be given to the young,
in the correct operation of the controls.
10.This appliance is not intended for use by
physical, sensory or mental capabilities, or
lack of experience and knowledge, unless
theyhavebeengivensupervisionorinstruction
concerning the use of the appliance by a
person responsible for their safety
11.If the shower is dismantled during installation
or servicing then upon completion the product
must be inspected to ensure there are no
leaks
12.
or temperature control levers may result in
momentary unstable blend temperatures.
13.Care is required when adjusting flow or
temperature, make sure that the temperature
has stabilised.
14.When this product has reached the end of its
serviceable life, it should be disposed of in a
safe manner, in accordance with current local
authority recycling, or waste disposal policy.
4
PACK CONTENTS
Tick the appropriate boxes to familiarise yourself
parts are included.
q1 x Thermostatic Mixing Valve
q1 x Concealing Plate and Control Assembly
q4 x Compression Nuts
q4 x Olives
q3 x Wall Plugs
q3 x Fixing Screws
q3 x M5 x 40 mm Screws
q3 x M5 x 8 mm Screws
q1 x Temperature Drive Extender
q2 x Flow Regulators
q
q1 x 3 mm Hexagonal Key
Documentation
q1 x Guarantee Registration Document
q
5
SPECIFICATIONS
‘Type 2 Valves - Application’ take
precedenceovertheoperatingparameterswhich
follow.
Pressures
10 Bar.
5 Bar.
0.1 Bar (0.1bar=1Metre head fromcoldtank
Note! For gravity fed or other low pressure
For optimum performance supplies should be
nominally equal.
Temperatures
39°C.
44°C.
35°C
to 43°C (achieved with supplies of 15°C cold,
60°C to 65°C
Note! The mixing valve can operate at
higher temperatures for short periods without
damage, however this could detrimentally
affect thermostatic performance. For safety
and performance reasons it is recommended
that the maximum hot water temperature is
limited to 65°C.
25°C.
MinimumRecommendedDifferentialbetween
12°C.
Thermostatic Shut-down
For safety and comfort the thermostat will shut off the mixing valve within 2 Seconds if
either supply fails (achieved only if the blend
temperature has a minimum differential of
Connections
hot - left, cold -
right, outlets - top left and top right.
Flow Rates
Note! Additional pressure losses may occur
depending on your outlet configuration and
Typical flow rates on low pressure systems
open outlet.
186 mm
231 mm
16.5 mm
0
10
20
30
40
50
60
012345
Flow Rate (l/min)
Inlet Pressure (Bar)
Pressurevs Flow
OpenOutlet
12l/min flow reg.
Dimensions
6
For installation into a Solid Wall or Stud Partition
‘Installation, Solid Wall or Stud Partition Using
Rear Mountings’.
‘Installation,
Panel Fixing using Securing Brackets - Mounting
off Rear Face’.
Forinstallation securing on the frontfaceinto a Solid
‘Installation,SolidWallorStudPartition
Fixing using Securing Brackets’.
Rear Fixing
Behind Panel Fixing
Front Face Fixing
7
Suitable Plumbing Systems
Gravity Fed:
The thermostatic mixer must be fed from a cold
Mains Pressurised Instantaneous Hot Water
System (Combination Boiler):
The thermostatic mixer can be installed with
systems of this type with balanced pressures.
1.0 Bar
Unvented Mains Pressure System:
The thermostatic mixer can be installed with an
unvented, stored hot water system.
Pumped System:
The thermostatic mixer can be installed with an
installed in a suitable location and in accordance
with its instructions.
General
Installation must be carried out in accordance
withtheseinstructions,andmustbeconductedby
The plumbing installation must comply with the
and practices, specified by the local water
company or water undertakers.
Note! Make sure that all site requirements
‘Specications’. For Type 2 Valves see also
‘Type 2 Valves’.
1. The Mixer must not be installed in an area
where it may freeze.
2.
required.
3. Isolating valves must be installed close to the
Mixer for ease of maintenance.
4. Pipework must be rigidly supported and avoid
any strain on the connections.
5. Donotinstallthe productinapositioninwhich
service access is restricted.
6. Pipework dead-legs should be kept to a
minimum.
7. Decide on a suitable position for the Mixer
shower fitttings then they must provide
a minimum gap of 25 mm between the
spill-over level of the shower tray/bath and
to prevent back-siphonage.
Note! OnlyuseShowerFittingsrecommended
by the manufacturer or supplier.
8. Allpipeworkmust be checked for leaks before
the product installation is completed. The
product should be pressurised and the inlet
and outlet connections inspected.
25 mm Spill
Hose Retaining Ring
8
Solid Wall or Stud Partition Fixing
Using Rear Mountings
1. Determinetherouteforthehotandcoldsupply
pipework and for the outlet pipework. If you
recommended that the outlet be positioned
above and to one side of the mixer. This is to
shower controls.
2. Determine the position of the mixer and mark
a maximum hole size of 150 mm x 170 mm.
Note! Use a spirit level to make sure that the
hole will be horizontal and vertical.
150 mm
170 mm
3. Mark the routes for the hot and cold supply
pipework.
4. Mark the routes for the outlet pipework.
Outlet Pipe A
Cold Inlet
Hot Inlet
Thermostatic
Mixer
5. Cutaway the plasterboard or brick work tothe
required depth.
Important! This depth ‘X’ will depend on the
Refer to the table for this measurement.
For stud partitions depth ‘X’ refers to the
distance from the rear mounting e.g. wooden
Depth ‘X’
Finished Wall
Surface
Finished Wall
Thickness
Rear Mounting
Temperature
Drive Extender
Temperature
Hub
Note! Column 3 in the table below refers to a
red temperature drive extender that will need
‘X’ exceeds the value shown.
Finished
Wall
Thickness
(e.g. tile and
Wall Cutout
Depth ‘X’
Red
Extender
required if
Depth ‘X’
6 64 - 82 mm 74 mm
8 62 - 80 mm 72 mm
10 60 - 78 mm 70 mm
12 58 - 76 mm 68 mm
14 56 - 74 mm 66 mm
16 54 - 72 mm 64 mm
18 54 - 70 mm 62 mm
20 54 - 68 mm 60 mm
22 54 - 66 mm 58 mm
24 54 - 64 mm 56 mm
6. Offer up the mixer valve into the hole, make
sure that it is level, central, and square
the building-in shroud and onto the wall.
Fixing Points (mark
7. For solid walls and stud partitions drill three 6
mm holes for the wall plugs.
Note!Forstud partitioninstallationsalternative
mixer to the rear face of the wall cavity or to a
timber noggin.
8. Install the hot and cold supply pipes into the
wall (Hot - Left, Cold - Right
9. Caution! It is essential at this point
that the supply pipework is thoroughly
ushedthroughbeforeconnectiontothe
mixer. Failure to do so may result in product
malfunction and will not be covered under the
guarantee.
10.Remove the three shroud screws (retain for
from the mixer.
11.
mixer to the wall with the screws provided.
12.
the hot and cold supply pipes to the mixer and
tighten the compression nuts.
13.Fit the outlet pipes from the mixer and tighten
the compression nuts.
Note!
temporarily cap off.
Important!
spouts, bath fillers etc. that can be used
with this product, refer to the appropriate
installation instructions supplied with your
to suit.
14.Turn on the water supplies and check for
leaks.
Note! Capofftheoutlet pipes and operate the
divertor to check the outlet connections.
10
Panel Fixing using Securing
Brackets - Mounting off Rear Face
Note! For laminated panels the mixer must be
positioned from the rear of the panel.
Panel thickness must be between 4 and 22 mm
(if a thicker panel is used, it will be necessary
to recess the securing brackets into the rear of
Important! Make sure that there is a minimum
clearance of 66 mm behind the laminated panel
to house the mixer.
1. ‘Solid WallorStudPartition
Fixing using Rear Mountings’ and follow
instructions 1 to 4.
2. Carefully cut out the laminated panel.
3. Removethescrewsandremovethebuilding-in
4. Fit the securing brackets to the mixer.
Important! The securing brackets must be
5.
15.
16.Using thebuilding-inshroudasa guide for the
Caution!
is within the minimum and maximum limits
correctly.
MIN
MAX
Fixing Screws
17.Remove the building-in shroud. Retain
the three securing screws for securing the
backplate.
18.
installation and user guide for instructions.
19.
‘Control Assembly’.
M5 Fixing Hole
M5 Fixing Hole
11
6.
building in shroud through the cutout in the
front of the panel. Mark the positions of the
Important! Make sure that the correct holes
7.
8. Installthe hot andcoldsupplypipes (Hot-Left,
Cold - Right
9. Caution! It is essential at this point
that the supply pipework is thoroughly
flushed through before connection to
the mixer. Failure to do so may result in
product malfunction and may invalidate your
guarantee.
10.Removethescrewsandremovethebuilding-in
11.Secure the shower valve (positioned from the
screws.
12.
the hot and cold supply pipes to the mixer and
tighten the compression nuts.
13.Fit the outlet pipes from the mixer and tighten
the compression nuts.
Note!
temporarily cap off.
Important!
spouts, bath fillers etc. that can be used
with this product, refer to the appropriate
installation instructions supplied with your
to suit.
14.Turn on the water supplies and check for
leaks.
Note! Capofftheoutlet pipes and operate the
divertor to check the outlet connections.
15.
installation and user guide for instructions.
16.
‘Control Assembly’.
M5 Fixing Hole
M5 Fixing Hole
Securing Screws
Securing Screws
12
Solid Wall or Stud Partition Fixing
using Securing Brackets
1. ‘Solid WallorStudPartition
Fixing using Rear Mountings’ and follow
instructions 1 to 4.
2. Cut away the plasterboard or brick work to a
minimum depth of 66 mm to accomodate the
shower valve body, the hot and cold supply
pipework and the outlet pipework.
3.
the hole cutout.
24 mm Finished
Wall Surface
6 mm Finished
Wall Surface
Finished Wall
66 mm Min
4. Remove the building-in shroud
5. Fit the securing brackets to the mixer.
Important! The securing brackets must be
Important! Make sure that the correct holes
are used, otherwise the backplate cannot be
Countersunk
Fixing Hole
Countersunk
Fixing Hole
Securing
Screw
Securing
Screw
Securing
Securing
6.
holes on the wall.
Note! Makesurethattheydonotinterferewith
the pipework.
7. Drill three 6 mm holes for the wall plugs.
8.
shower valve to the wall with the securing
Note!Forstud partitioninstallationsalternative
Important! Atthispointpositionthebuilding-in
shroud onto the shower valve and make sure
that it is horizontal and will be parallel to the
9.
and cold supply pipes and outlet pipe and
tighten the compression nuts.
Caution!
connecting to the shower valve.
10.Fit the outlet pipes from the mixer and tighten
the compression nuts.
Note!
temporarily cap off.
13
MIN
MAX
11.Turn on the water supplies and check for
leaks.
Note! Capofftheoutlet pipes and operate the
divertor to check the outlet connections.
12.
13.Using thebuilding-inshroudasa guide for the
Caution!
is within the minimum and maximum limits
correctly.
14.Remove the building-in shroud. Retain
the three securing screws for securing the
backplate.
15.
installation and user guide for instructions.
16.
‘Control Assembly’.
Important!
spouts, bath fillers etc. that can be used
with this product, refer to the appropriate
installation instructions supplied with your
to suit.
Securing
Screws
Shroud
14
Control Assembly
Flow Control Hub
Securing Screws
3. Fit the backplate to the shower control
and secure with the three securing screws
sure that the seal is fully compressed on the
Note!
silicone sealant to ensure a seal.
Caution! Donotovertightenthescrewsasthis
maycausethe backplateto distort,preventing
4. Align the flow control hub with the taper
towards the top of the shower control (refer
Temperature
Knob
Concealing Plate
Cutout
1. Pull off the temperature knob.
2. Carefully separate the concealing plate from
the backplate.
Note! Usea screwdriverinthecutout toassist
separation.
Shown
‘Click’ into Position
5.
6.
7.
top of the backplate.
Note! You will need to push the concealing
plateupandoverthelipontopofthebackplate
8. Clip the bottom of the concealing plate into
position.
9. Align the temperature control knob with the
hub and push the knob onto the concealing
plate so it clicks into place.
Note! The Thermostatic Shower Control is
preset to approximately 44°C at the factory
‘Commissioning’.
15
The Mira Discovery with Diverter thermostatic
mixerissuppliedwithinlet connections Hot - Left,
Cold - Right as standard. If the hot and cold
water supply pipes have been reversed during
installation the thermostatic cartridge must be
removed and rotated 180°.
OPERATION
OFF Position
HOT
Temperature Knob
Position 1
Can be either
showerhead or
Position 2
Can be either
showerhead or
1. Isolate the hot and cold water supplies and
operate the control lever to relieve pressure
and drain any residual water.
2. Pull off the temperature knob.
3. Unclip and remove the concealing plate.
Note! Use a screwdriver in the slot at the
bottom of the concealing plate to lever off.
4. Using a suitable spanner, turn the cartridge
nut and turn anticlockwise. Unscrew and pull
the cartridge clear from the body.
5. Rotate the cartridge 180°.
6. Make sure that the two cartridge side seals
body.
Important! Make sure that the cartridge side
seals do not extrude from the body when
pushing the cartridge in. Damage to these
seals may result in incorrect operation.
7. Position the cartridge lugs into the body slots
and tighten clockwise.
8. Restore the hot and cold water supplies and
check for leaks.
9. ‘Installation, Control
Assembly’
Flow Regulation
The diverter outlet of the shower operates either
provided.These can be installedintheDiscovery
16
COMMISSIONING 6. Oncethedesiredmaximum blendtemperature
without disturbing the spindle, positioning the
temperature hub so that the lug is against the
leftside of the stop onthecartridge face (refer
has not altered.
Maximum Temperature Setting
must be checked to make sure that it is at a
safe level. It has been preset to approximately
44°C at the factory but due to variations in site
conditions the maximum temperature may need
adjustment.
Note! Makesurethatthehotwatertemperatureis
For Type 2 installations the maximum blend
temperature is determined by the application,
‘Type 2 Valves - Application’.
Cartridge
Face Stop
Temperature Hub
Temperature
Knob
Temperature
Spindle
1. Pull-off the temperature knob.
2. Unscrew the temperature hub with a 3 mm
4.
5. Rotate the spindle until required maximum
blend temperature is obtained at discharge
point (clockwise = decrease temperature).
Caution! When resistance is felt do not use
force to turn any further, as this can damage
the internal parts.
Override Stop Setting
The override stop is designed to give the user an
indication ofthemaximumshoweringtemperature
to variations in site conditions the maximum
temperature may need adjustment.
1
the temperature (clockwise decreases the
Override Cap
17
Application
The approved designations for Type 2 Valves
Models Designation
Mira Discovery with
Divertor
Important! The tting of any ow regulator
will invalidate TMV2 compliance due to the
minimum ow rate requirements. Do not t
owregulatorsinTMV2applications.
Conditions of use for Type 2 Valves
Operating Pressure
Range High
Pressure
Pressure
Maximum Static
10 10
Maintained Pressure,
0.5 to 5 0.1 to 1
Hot Supply
55 to 65 55 to 65
Cold Supply
Valves operating outside these conditionscannot
be guaranteed to operate as Type 2 Valves.
Recommended Outlet Temperatures
following set maximum mixed water outlet
41°C for showers.
The mixed water temperatures must never
exceed 46°C.
The maximum mixed water temperature can be
2°Cabovetherecommendedmaximumsetoutlet
temperatures.
Note! 46°C is the maximum mixed water
temperature from the bath tap. The maximum
temperature takes account of the allowable
temperature tolerances inherant in thermostatic
mixing valves and temperature losses in metal
baths.
It is not a safe bathing temperature for adults
or children.
to 37.5°C as a comfortable bathing temperature
for children. In premises covered by the Care
Standards Act 2000, the maximum mixed water
outlet temperature is 43°C.
The thermostatic mixing valve will be installed in
such a position that maintenance of the TMV and
its valves and the commissioning and testing of
the TMV can be undertaken.
as practicable to the water supply inlets of the
thermostatic mixing valve.
CommissioningnotesforThermostaticMixing
Valves
The designation of the thermostatic mixing valve
matches the application.
The supply pressures are within the valves
operating range.
The supply temperatures are within the valves
operating valve.
provided.
If all of these conditions are met, proceed to
‘Commissioning’.
Important! The mixed water temperature at the
discharge point must never exceed 46°C.
It is a requirement that all TMV2 approved
valves shall be verified against the original
set temperature results once a year. When
commissioning/testing is due the following
performance checks shall be carried out.
Measure the mixed water temperature at the
outlet.
Carry out the cold water supply isolation test by
temperature is below 46°C.
temperature (±2°C or less change from the
functioning, then the valve is working correctly
and no further service work is required.
Notes! If there is a residual flow during the
commissioning of the valve or the annual
18
this is acceptable providing the temperature of
the water seeping from the valve is no more than
2°Cabovethe designatedmaximummixedwater
outlet temperature setting of the valve.
Temperature readings should be taken at the
stabilise.
The sensing part of the thermometer probe
must be fully submerged in the water that is to
be tested.
AnyTMVthathasbeenadjustedorserviced must
bere-commissionedand re-tested in accordance
with the instructions given in this guide.
Theinstallation ofthermostaticmixingvalvesmust
complywiththerequirementsof theWaterSupply
If you require a Mira trained service engineer or
‘Customer Services’.
Fault Diagnosis
Symptom:
Only hot or cold water from the mixer outlet.
• Outlet temperature too hot / too cold.•
Cause/Rectication:
Inlets reversed (hot supply to cold supply).• No hot water reaching mixer.•
Checktheltersforanyblockage.• Installation conditions outside operating• parameters, refer to sections:‘Specications’
and ‘Commissioning’.
—————————————
Symptom:
Fluctuatingorreducedowrate.•
Cause/Rectication:
Check the showerhead, hose and lters for•
anyblockageandclean.
Make sure that the maintained inlet pressures•
arenominallybalancedandsufcient,referto
section: ‘Specications’.
Make sure that the inlet temperature
•
differentials are sufcient, refer to section:
‘Specications’.
Flowregulatorttedincorrectly.•
Airlockorpartialblockageinthepipework.• —————————————
Symptom:
Water leaking from showerhead outlet.
•
Cause/Rectication:
Normal for a short period after shut off.• Check that the pressures are not in excess of•
thespecicationsfortheproduct.
Renew the thermostatic cartridge.• —————————————
Symptom:
Showertooforcefulwaterowratetoohigh.•
Cause/Rectication:
Flowregulatornottted.SeeOperation•
MAINTENANCE
General
This Product is precision engineered and should
give continued safe and controlled performance,
1. It is installed, commissioned, operated and
maintainedin accordance with manufacturers
recommendations.
2. Periodic attention is given, when necessary,
to maintain the product in good functional
order.
TheMiraDiscoverywithDivertorthermostaticmixer
is designed to need only minimal maintenance in
normal use. The only serviceable parts are the
every 12 months. If a malfunction occurs with the
thermostatic cartridge then this will necessitate a
complete cartridge replacement.
Note! The cartridge contains no internally
serviceable parts.
If you require a Mira trained engineer or agent,
‘Customer Service’.
Lubricants
Silicone based lubricants must only be used on
the rubber seals.
Caution! Oil based or other lubricant types may
cause rapid deterioration of seals.
Cleaning
Thechrome platedpartsshouldbecleanedusing
a mild washing up detergent or soap solution,
rinsed and then wiped dry with a soft cloth.
Warning! Many household cleaners contain
abrasiveandchemicalsubstances,andshouldnot
Do not use descalents on this product.
Inlet Filters and Check Valves
The inlet filters and check valves should be
checked and cleaned as necessary every 12
months.
Note!
not be removed except for cleaning. If the
thermostatic mixer is operated without the inlet
product will be void.
1. Isolate the supplies to the shower control and
water.
2. Unclip and remove the concealing plate.
3. Unscrewthe 3 backplate securingscrewsand
remove the backplate.
4. Unscrew the filter caps with a 10 mm
hexagonal wrench.
5.
6.
under a jet of water to remove any lodged
particles.
7.
8. Restore the water supplies and check for
leaks.
9. Reassemble the shower control (refer to
section ‘Installation, Control Assembly’.
Inlet Filter
Check Valve
20
1. Isolate the supplies to the shower control and
water.
2. Unclip and remove the concealing plate.
3. Unscrewthe 3 backplate securingscrewsand
remove the backplate.
4. Remove the three screws that hold the cover
in place.
5.
6.
any lodged particles.
7.
8.
is correct.
9. Restore the water supplies and check for
leaks.
10.Reassemble the shower control (refer to
section ‘Installation, Control Assembly’.
Divertor Filter
Note!
cleaning. If the thermostatic mixer is operated
warranty on the product will be void.
Cover
Filter
Cartridge
Cartridge
1. Isolate the hot and cold water supplies and
operate the control lever to relieve pressure
and drain any residual water.
2. Pull off the temperature knob.
3. Unclip and remove the concealing plate.
Note! Use a screwdriver in the slot at the
bottom of the concealing plate to lever off.
4. Using a suitable spanner, turn the cartridge
nut and turn anticlockwise. Unscrew and pull
the cartridge clear from the body.
5. Discard the cartridge.
6. Makesurethatthetwocartridgesidesealsare
into the cartridge body.
Important! Make sure that the cartridge side
seals do not extrude from the body when
pushing the cartridge in. Damage to these
seals may result in incorrect operation.
7. Position the cartridge lugs into the body slots
and tighten clockwise.
8. Restore the hot and cold water supplies and
check for leaks.
9. ‘Installation, Control
Assembly’
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