Bristan KN2 SHXAR C Mounting instructions

Installation Instructions
and User Guide
Colonial Thermostatic
Surface Mounted Mini
Shower Valve with
Adjustable or Rigid Riser
Models covered:
Models covered:Models covered:
Models covered: KN SHXAR C,
& KN SHXRR C
Please keep this booklet for future
Reference.
Installer, when you have read these
instructions please ensure you leave them
with the user.

Contents
Thank you for choosing Bristan, the UK’s leading taps and showers expert. We have
designed this product with your enjoyment in mind. To ensure that it works to its
full potential, it needs to be fitted correctly. These fitting instructions have been
created to give you all of the information you need and, if you need any further help,
please do not hesitate to give us a call on 0844 701 6 73.
Important Safety Information ………………………………………………………….
General Information ………………………………………………………………………..
Product Features …………………………………………………………………………….
Specifications …………………………………………………...................................
Dimensions ………………………………………………………................................
Pack Contents ………………………………………………………………………………..
Installation Requirements ……………………………………….........................
Flow Regulators ………………………………………………………………………........
3
4
5
6
7
8-9
10-13
14
-
15
Flow Regulators ………………………………………………………………………........
Prior to Installation …………………………………………………………………………
Installation ……………………………………………………………………….................
Shower Valve………………………………………………………………………………..
Adjustable Riser ………………………………………………………………………….
Rigid Riser …………………………………………………………………………………..
Operation ……………..........………………………………………………………………….
Commissioning ……………………………....………………………………………………
Maintenance …………………………….....………………………………………………….
Map of Hard Water Regions in the UK ……………………..........................
Troubleshooting ……………………………………........………………………………….
Guarantee ……………………………………............……………………………………….
Service Policy ………………………………..............……………………………………..
14
-
15
16
17-
17-18
19- 0
1-
3
4
5- 6
7
8- 9
30-31
31
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• Please read these instructions thoroughly and retain for future use.
• All products manufactured and supplied by Bristan are safe provided they are installed,
used correctly and receive regular maintenance in accordance with these instructions.
• If you are in any doubt about your ability to install this product safely you must
If you are in any doubt about your ability to install this product safely you must If you are in any doubt about your ability to install this product safely you must
If you are in any doubt about your ability to install this product safely you must
employ the services of an experienced qualified plumber.
employ the services of an experienced qualified plumber. employ the services of an experienced qualified plumber.
employ the services of an experienced qualified plumber.
• Do not use if the showerhead or shower hose has been damaged or is blocked.
• Do not crush or kink the shower hose, this could damage the hose and cause leaks.
• Remove all packaging and check the components for damage before starting
installation.
• Warning:
Warning: Warning:
Warning: Before starting any installation please consider the following: Prior to
drilling into walls, check that there are no hidden electrical wires, cables or water
supply pipes. This can be checked with the aid of an electronic detector.
• If power tools are used do not forget to: - Wear eye protection
-
Unplug equipment after use
Important Safety Information
-
Unplug equipment after use
•The fitting of isolating valves is required as close as is practical to the supply inlet
feeds of the thermostatic mixing valve.
•Warning:
Warning: Warning:
Warning: Before installing the new shower valve it is essential that you
thoroughly flush through the pipework in order to remove any remaining swarf, solder,
etc. Failure to carry out this procedure could cause problems or damage to the
workings of the shower valve.
• This product must not
must not must not
must not be modified in any way as this will invalidate the guarantee.
3
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General Information
This product has been tested to comply with the BS EN 1 87:1999 (LP) and BS EN
1111:1999 (HP) thermostatic mixing valve standards.
BS6700 recommends the temperature of stored water should never exceed 65ºC. A
stored water temperature of 60ºC is considered sufficient to meet all normal
requirements and will minimise the build up of lime scale in hard water areas (see Map
of Hard Water Regions in the UK on page 7).
If the fitting is installed at low pressure (tank fed), then the minimum distance from the
highest installed position of the showerhead to the underside of the cold tank should be
at least 1 metre to ensure adequate performance.
Note:
Note: Note:
Note: Nominally equal (balanced) inlet supply pressures are recommended for optimum
performance with mixer showers.
This shower valve should be installed in compliance with the Water Supply (Water
This shower valve should be installed in compliance with the Water Supply (Water
Fittings) Regulations 1999 and the Scottish Byelaws 004.
If in doubt, contact a registered plumber or you Local Water Authority or the Secretary of
The Institute of Plumbing, address as follows;-
The Institute of Plumbing,
64 Station Lane,
Hornchirch,
Essex, RM1 6NB
Tel: [phone]
4
Light
Commercial
Heavy
Commercial
Health Care
Recommended Usage
Recommended UsageRecommended Usage
Recommended Usage
Domestic
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Product Features
On/Off and Temperature Control
On/Off and Temperature ControlOn/Off and Temperature Control
On/Off and Temperature Control
Turn the control anti-clockwise
to turn the shower on and increase
the temperature.
Turn the control clockwise to
decrease the temperature and
to turn the shower off.
KN SHXAR C shown
5
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Specifications
Inlet Connections:
Inlet Connections: Inlet Connections:
Inlet Connections: 15mm compression, with adjustable centres.
Operating Pressure Range:
Operating Pressure Range: Operating Pressure Range:
Operating Pressure Range: Min: 0.1 bar – Max: 5.0 bar – Maximum recommended
imbalance between hot and cold supply should not exceed a ratio of 5:1.
Maximum Static Pressure:
Maximum Static Pressure: Maximum Static Pressure:
Maximum Static Pressure: 10.0 bar
Maximum Outlet Temperature:
Maximum Outlet Temperature: Maximum Outlet Temperature:
Maximum Outlet Temperature: Factory pre-set to 41ºC (can be re-set to suit site
conditions).
Supply Requirements:
Supply Requirements:Supply Requirements:
Supply Requirements:
Minimum cold water supply temperature: 5ºC.
Maximum cold water supply temperature: 5ºC.
Maximum hot water supply temperature: 80ºC.
(a maximum hot water supply temperature of 60 – 65ºC is recommended for ablutionary
purposes).
purposes).
Note:
Note: Note:
Note: The inlet hot water temperature must be at least 10ºC above the required blend
temperature (e.g. shower temperature 43ºC: minimum hot supply 53ºC.
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Dimensions (mm’s)
110-155
150
65
975
345
114
114
34
7
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510
600
975
800
34
114

Pack Contents – KN SHXAR C
1
11
1 Shower Valve
Covers x
3 Filters x (pre-fitted)
4 Green flow regulator (Pre-fitted)
5 Yellow flow regulator (Pre-fitted)
6 Backplate fixings x
7 Riser rail fixings x4
8 Showerhead (single function)
9 Sealing washers x
10 Shower hose
11
Riser
rail
3
4
5
6
7
8
9
10
11
Riser
rail
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Pack Contents – KN SHXRR C
1
89
10
1
1 Shower Valve
Covers x
3 Filters x (Pre-fitted)
4 Green flow regulator (Pre-fitted)
5 Yellow flow regulator (Pre-fitted)
6 Backplate fixings x
7 Shower rose
8 Shower arm
9 Shower arm fixings x
10 Sealing washer
11 Rose swivel joint
1
Top
rail
11
1
13
14
1
Top
rail
13 Bottom rail
14 Rail connector
9
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3
4
5
6
7

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
Gravity Fed Hot and ColdGravity Fed Hot and Cold
Gravity Fed Hot and Cold
(pressure Balanced)
•Gravity Fed Hot and Mains Cold
Gravity Fed Hot and Mains ColdGravity Fed Hot and Mains Cold
Gravity Fed Hot and Mains Cold
(differential pressure – see Specification
section on page 6.
•Instantaneous Water Heater
Instantaneous Water HeaterInstantaneous Water Heater
Instantaneous Water Heater
(combination boiler)
•Unvented System
Unvented SystemUnvented System
Unvented System
•Pumped System
Pumped SystemPumped System
Pumped System
Important:
Important: Important:
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
Note: Pumped system (with Essex Note: Pumped system (with Essex
Note: Pumped system (with Essex
flange)
flange) flange)
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
Flushing PipeworkFlushing Pipework
Flushing Pipework
Important:
Important: Important:
Important: Before connecting the
shower valve (see Installation on pages 17-
), supply pipework must
must must
must be flushed to
clear debris before connecting the shower
valve. Debris will reduce the performance
Gravity Fed Hot and Cold
Gravity Fed Hot and ColdGravity Fed Hot and Cold
Gravity Fed Hot and Cold
valve. Debris will reduce the performance
and life of the shower.
Gravity Fed Hot and Mains Cold
Gravity Fed Hot and Mains ColdGravity Fed Hot and Mains Cold
Gravity Fed Hot and Mains Cold
Cold mains supply Cold mains supply
1m min
1m
min
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Installation Requirements
Instantaneous Water Heater
Instantaneous Water HeaterInstantaneous Water Heater
Instantaneous Water Heater Unvented System
Unvented SystemUnvented System
Unvented System
Cold mains supply Cold mains supply
Pumped System
Pumped SystemPumped System
Pumped System Pumped System
Pumped System Pumped System
Pumped System (with Essex flange)
Key:
Key:Key:
Key: Isolating Reducing Shower Pump Essex
Valve Valve Valve Flange
Cold mains supply Cold mains supply
1m min 1m min
If less
than 1m
see note.
50mm
11
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Installation Requirements
These fittings need to be installed in
These fittings need to be installed in These fittings need to be installed in
These fittings need to be installed in
accordance with the following Installation
accordance with the following Installation accordance with the following Installation
accordance with the following Installation
Requirements and Notes (IRN) to ensure
Requirements and Notes (IRN) to ensure Requirements and Notes (IRN) to ensure
Requirements and Notes (IRN) to ensure
they meet the requirements of the Water
they meet the requirements of the Water they meet the requirements of the Water
they meet the requirements of the Water
Supply (Water Fittings) Regulations 1999
Supply (Water Fittings) Regulations 1999 Supply (Water Fittings) Regulations 1999
Supply (Water Fittings) Regulations 1999
and the Scottish Byelaws 004.
and the Scottish Byelaws 004.and the Scottish Byelaws 004.
and the Scottish Byelaws 004.
IRN R001:
IRN R001: IRN R001:
IRN R001: See text of entry for Installation
Requirements or Notes.
IRN R040
IRN R040 IRN R040
IRN R040 -
--
- Schedule
Schedule Schedule
Schedule -
--
-15 (1):
15 (1): 15 (1):
15 (1): The
fitting shall be installed so that its outlet
discharges above the spill-over level of
any fixed appliance as indicated below:-
For backflow protection in domestic or
For backflow protection in domestic or For backflow protection in domestic or
For backflow protection in domestic or
installations up to, and including, Fluid
installations up to, and including, Fluid installations up to, and including, Fluid
installations up to, and including, Fluid
Category 3.
Category 3.Category 3.
Category 3.
If the fitting cannot be installed as
indicated in the table opposite it shall be
installed as either
a
a a
a
or
b
bb
b
below:
Size of tap or
Size of tap or Size of tap or
Size of tap or
combination fitting.
combination fitting.combination fitting.
combination fitting.
Vertical distance
Vertical distance Vertical distance
Vertical distance
of outlet above
of outlet above of outlet above
of outlet above
spill
spillspill
spill-
--
-over level.
over level.over level.
over level.
1.
1.1.
1. Not exceeding 1/
in 0mm
.
..
. Exceeding 1/ in
but not exceeding
3/4 in
5mm
3.
3.3.
3. Exceeding 3/4 in 70mm
installed as either
a
a a
a
or
b
bb
b
below:
a:
a: a:
a: with an approved double check valve
assembly or some other no less
effective backflow prevention device
immediately upstream of the inlet.
b:
b: b:
b: so that it draws water by gravity only
from a cistern, or cylinder having a
permanently open vent pipe, and the
distributing pipe supplies no other fitting
(other than draining tap) at a lower level.
For backflow protection in premises or
For backflow protection in premises or For backflow protection in premises or
For backflow protection in premises or
installations up to, and including Fluid
installations up to, and including Fluid installations up to, and including Fluid
installations up to, and including Fluid
Category 5.
Category 5.Category 5.
Category 5.
The vertical distance of the outlet above
the spill-over level shall be not less than
0mm or twice the diameter of the inlet
pipe to the fitting, which ever is the
greater. If the fitting cannot be installed
as indicated it shall be installed with a
backflow prevention arrangement
suitable for the Fluid Category.
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Conditions of use for Type (Thermostatic mixer) valves
Conditions of use for Type (Thermostatic mixer) valvesConditions of use for Type (Thermostatic mixer) valves
Conditions of use for Type (Thermostatic mixer) valves
High Pressure Low Pressure
Maximum Static Pressure (Bar) 10 10
Flow Pressure, Hot & Cold (Bar) 0.5 to 5 0.1 to 1.0
Hot Supply Temperature (ºC) 55 to 65 55 to 65
Cold Supply Temperature (ºC) Equal to or less than 5 Equal to or less than 5
Note:
Note: Note:
Note: Valves operating outside these
conditions cannot be guaranteed by the
Scheme to operate as Type valves.
If a water supply is fed by gravity then the
supply pressure should be verified to ensure
the conditions of use are appropriate for the
valve.
Warning: It is not a safe bathing
Warning: It is not a safe bathing Warning: It is not a safe bathing
Warning: It is not a safe bathing
temperature for adults or children.
temperature for adults or children.temperature for adults or children.
temperature for adults or children.
The British Burns Association recommends
37 to 37.5ºC as a comfortable bathing
temperature for children. In premises
covered by the Care Standards Act 000, the
maximum mixed water outlet temperature
is 43ºC.
Installation Requirements
Recommended Outlet temperatures
Recommended Outlet temperaturesRecommended Outlet temperatures
Recommended Outlet temperatures
We recommend the following set maximum
mixed water outlet temperatures for use in
all premises:
41ºC for showers;
The mixed water temperatures must
The mixed water temperatures must The mixed water temperatures must
The mixed water temperatures must
never exceed 46ºC.
never exceed 46ºC.never exceed 46ºC.
never exceed 46ºC.
The maximum mixed water temperature
can be ºC above the recommended
maximum set outlet temperatures.
Note:
Note: Note:
Note: 46ºC is the maximum mixed water
temperature from the bath tap. The
maximum temperature takes account of the
allowable temperature tolerances inherent
in thermostatic mixing valves and
temperature losses in metal baths.
is 43ºC.
The thermostatic mixing valve (TMV) 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.
The fitting of isolation valves is required as
close as is practical to the water supply
inlets of the thermostatic mixing valve.
13
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Flow Regulators
Selecting Flow Regulators
Selecting Flow RegulatorsSelecting Flow Regulators
Selecting Flow Regulators
Supply System
Supply SystemSupply System
Supply System Flow
FlowFlow
Flow Regulator
RegulatorRegulator
Regulator
Cold
ColdCold
Cold Supply
SupplySupply
Supply Hot Supply
Hot SupplyHot Supply
Hot Supply Cold
ColdCold
Cold Hot
HotHot
Hot Comments
CommentsComments
Comments
0.1 to 1.0bar 0.1 to 1.0bar No No Maximum pressure
loss ratio 5:1
1 to 5 bar
or pumped
1 to 5 bar or
pumped
Green
(7 litre)
Yellow
(5 litre)
♦Use arrangement
for pumped system
Gravity
0.1 to 0.5 bar
Green
(7 litre) No
Gravity
Above 0.5 bar
Green
(7 litre)
Yellow
(5 litre)
Unvented Mains
/ Mains
Pressurised
Mains
1.0 – 10 bar
Pressurised
Instantaneous
Water Gas
Heater
Green
(7 litre)
* Yellow
(5 litre)
**Instantaneous
Water Electric
Heater
Yellow
(5 litre) No
Any vented
(open outlet)
Heater Gas /
Electric, e.g.
Electric Shower
Do not use with a mixer valve
Do not use with a mixer valve Do not use with a mixer valve
Do not use with a mixer valve –
––
– This would be
This would be This would be
This would be
extremely dangerous
extremely dangerousextremely dangerous
extremely dangerous
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♦Regulators can be fitted if water economy is required.
*
**
* Yellow (5 litre) regulator may not be necessary on some gas water heaters.
** Important:
** Important: ** Important:
** Important: It is a requirement of Instantaneous Electric Heaters that a stable flow
of water passes through the heater. This requirement can be satisfied by using a ‘flow
stabiliser’ fitted prior to the heater and should be adjusted to give a temperature of
between 45 – 50°C from the heater.
Flow regulators are factory fitted.
Study the table on the previous page and
decide which flow regulators are
required for your particular situation.
Unscrew both inlet elbows from the valve
body and remove flow regulator/s using
Flow Regulators
Non Return
Valve
Non Return Valve
Retainer
body and remove flow regulator/s using
long nose pliers from the non return valve
retainer.
Screw inlet elbows back into the valve body.
Inlet
elbow
Compression
nut
Filter
Flow Regulator
Olive
Non Return Valve
Retainer
15
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Prior to Installation
This shower valve is supplied with two
small and two large elbows to give varying
centres.
Note:
Note: Note:
Note: The shower valve is supplied
with the small elbows fitted.
Choose elbow configuration to suit
Choose elbow configuration to suitChoose elbow configuration to suit
Choose elbow configuration to suit
Inlet centres
Inlet centresInlet centres
Inlet centres
x small elbows – 110-130 centres
x large elbows – 136-155
1 small elbow / 1 large elbow – 1 5-145
All measurements are in millimetres.
Unscrew small
elbow anti-clockwise
To remove the elbows
To remove the elbowsTo remove the elbows
To remove the elbows
To remove the elbows from the body
unscrew anti-clockwise.
To fit large elbows
To fit large elbowsTo fit large elbows
To fit large elbows
Screw the large elbows clockwise
into the valve body.
Important:
Important: Important:
Important: The elbows must have
at least two complete turns in the
valve body.
Screw in large
elbow clockwise
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Installation – Shower Valve
Before Installation
Before InstallationBefore Installation
Before Installation
Flush through the pipework to ensure
removal of debris. Turn off the mains
water supply and close any isolating
valves.
1. Inlet positions
1. Inlet positions1. Inlet positions
1. Inlet positions
The shower valve has three inlet positions
– top, bottom and rear. Rotate the inlet
elbows as required.
With the elbows screwed fully against the
valve body it can be unscrewed a
maximum of 1.5 turns to allow for lateral
tolerance.
110 - 155mm
Hot Cold
4 .5mm Backplate
fixing holes
Important:
Important: Important:
Important: Water supplies to the mixer
must be with hot on the left and cold on
the right when viewed from the front.
Sufficient 15mm diameter supply pipes
should protrude through the finished wall
surface to fit fully into the shower valve
elbows.
. Attach backplate to wall
. Attach backplate to wall. Attach backplate to wall
. Attach backplate to wall
Loosen the ‘backplate’ grub screw on the
Back of the valve using the hexagonal key.
Use the backplate as a template and mark
the centres of the fixing holes onto the
wall.
Warning:
Warning: Warning:
Warning: Please check for any
hidden pipes and cables before drilling
holes in the wall.
Drill suitable holes and insert the wall
plugs. Securely attach the backplate to
the wall using the screws provided.
17
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Hot
supply
Cold
supply
3. Attach shower valve
3. Attach shower valve3. Attach shower valve
3. Attach shower valve
Place the shrouds over the water supply
pipes. Insert the 15mm hot and cold water
supply pipes into the inlet connections and
tighten the nuts. Ensure the olives and
filter are in place.
Secure the shower valve to the backplate
by tightening the backplate grub screw.
Installation Shower Valve cont.
Re-attach the shower valve to the
backplate by tightening the grub screw.
Note:
Note: Note:
Note: The shower valve inlet
positions are shown at the rear as an
example.
See pages 19- for installation of
adjustable riser and shower hose.
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1. Mark the position
1. Mark the position1. Mark the position
1. Mark the position
Position the assembled riser rail onto the wall,
bearing in mind the highest maximum position
required for the handset. With the riser rail
vertical, mark the position of the wall brackets
onto the wall surface.
. Attach wall bracket fixings
. Attach wall bracket fixings. Attach wall bracket fixings
. Attach wall bracket fixings
Remove the wall brackets from the rail and
then remove the fixings from the wall brackets.
Position the fixing bracket in the marked
positions against the wall, ensure they are
vertically in line with each other and mark the
centres of the fixing holes onto the wall.
Warning:
Warning: Warning:
Warning: Please check for any hidden
pipes and cables before drilling holes in the
Installation – Adjustable Riser
Note:
Note: Note:
Note: If replacing an existing riser
rail, check to see if the existing
holes can be reused or covered by
the new wall brackets. Try to avoid
drilling close to the edge of tiles,
drill in the middle of the tiles or in
the tile joints.
Handset
Holder
Wall bracket
pipes and cables before drilling holes in the
wall.
Drill suitable holes and insert the wall plugs.
Securely attach the fixing brackets to the wall
sing the screws.
Tips:
Tips: Tips:
Tips: A piece of insulation or masking tape
positioned where holes are to be drilled and
before marking out the exact position for the
fixing holes will help stop the drill bit from
wandering, particularly on a tiled surface.
When working near a basin, bath or shower
insert plug or cover waste to prevent losing
small parts. Take care not to drop tools /
equipment into basin, bath or shower during
installation.
Handset
Holder
Wall bracket
Wall bracket
fixing
Hose Retainer
19
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Installation – Adjustable Riser cont.
Bottom wall
Bracket
3. Insert riser rail
3. Insert riser rail3. Insert riser rail
3. Insert riser rail
Push the riser rail down through the bottom
wall bracket.
Push the hose retainer and handset holder
down onto the riser, ensuring they are the
correct way up - as shown opposite.
Then push the riser rail up through the top
wall bracket.
4. Fit top wall bracket
4. Fit top wall bracket4. Fit top wall bracket
4. Fit top wall bracket
Push the top wall bracket down onto the
riser rail.
5. Fit the riser to the wall
5. Fit the riser to the wall5. Fit the riser to the wall
5. Fit the riser to the wall
Fit the top and bottom wall brackets over
the bracket fixings secured to the wall.
Tighten the grub screw on the top and
Tighten the grub screw on the top and
bottom wall brackets with a suitable
hexagonal key to secure the riser rail
in position.
6. Fit shower hose
6. Fit shower hose6. Fit shower hose
6. Fit shower hose
Fit the shower hose to the shower valve
outlet ensuring the sealing washer is fitted
between.
Screw the shower hose onto the handset
ensuring the sealing washer is fitted
between.
Place the handset into the handset holder.
Top wall
Bracket
20 Need help?
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