18
19
Maintenance
We advise that the below is carried out annually as failure to do so may result in
invalidation of warranty.
Shut off the water supply to both hot and cold inlets, before commencing any
maintenance work below.
Fig. 1
Fig. 2
Fig. 3
Handle
Screw
cover
Lock
washer
Screw
Spring
washer
Shroud
Temperature
ring
Securing nut
Stop ring
Cartridge
Step
Locating slot
Spacer ring
Indicator
Thermostatic cartridge
To clean the filters, you must first remove
the cartridge from the housing.
Removing the Cartridge
1.
Shut off the water supply to both inlets.
Ensure the thermostatic valve has been
successfully isolated.
2.
Using a suitably flat tool remove the
screw cover, unscrew and remove the
temperature handle and pull off the shroud
and spacer ring
(fig 1)
. Remove the ceramic/
chrome temperature ring allowing access to
the valve
(fig 2)
.
3.
Using pliers if required gently remove
temperature stop ring (essential)
(fig 2)
.
4.
Turn shower on to check isolation, please
ensure that your body/hands are not under
the flow of water as there is a potential for
delivery of hot water.
5.
Using a 32mm box spanner unscrew and
remove the valve securing nut then carefully
pull out the thermostatic cartridge
(fig 3)
.
Note:
Ensure care is taken as a small
amount of residual water may escape when
removing the cartridge.
Fig. 5
Fig. 4
Maintenance
6.
Clean the cartridge filters by rinsing
them under running water to remove any
debris.
7.
If there is limescale deposits then it is
recommended to immerse the cartridge
for a few minutes in 50% white vinegar
+ 50% hot water, brush the filters gently
and then rinse under running water to
clean all particles. If this is not effective, a
replacement cartridge should be fitted.
8.
Before reassembling the cartridge,
clean its housing with a wet cloth and
grease the O-rings using a suitable
silicone grease. Insert the thermostatic
cartridge into the body aligning the slot in
the body with the grub screw
(fig 4)
.
9.
Screw the securing nut on and tighten
using a box spanner, careful not to
overtighten.
10.
Replace the temperature stop ring on
the cartridge with the cold step located at
7 o’clock
(fig 5)
.
11.
Turn the water supply on.
12.
Check the water temperature to
ensure correct commissioning. See
previous section.
13.
Replace the ceramic/chrome
temperature ring, spacer ring and shroud
with the temperature indicator located at
12 o'clock without turning the spline of
the thermostatic cartridge.
Screw the temperature handle in place
using the washers and screw, replace the
screw cover.
O-ring
Locating slot
O-ring
O-ring
Stop ring
Step
