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Troubleshooting
Malfunction
Cannot regulate temperature
Hot and cold water do not mix Lack of water pressure at one
Water not hot enough /
Water too hot
Temperature selected on
handle is different than actual
water temperature
Handle does not turn
Low water pressure
Leaking shower head
Valve body too deep into wall
Thermostatic Shower Trim w/ Built-in
Volume Control/ Diverter
Thermostatic Shower with Built-in
Cause
Dirt in check valves
Water supply reversed
Valve installed upside down
of the inlets
Blocked shower head
Debris in check valves
Valve not properly calibrated
Water heater setting incorrect
Debris in check valves
Valve not properly calibrated
Uneven hot & cold water
pressure
Mineral build up
Low water pressure
Debris in cartridge
Debris in check valves
Blocked shower head
Fault cartridge in wall stop/
volume control
The measured rough in or
finished wall surface is incorrect
Volume Control/ Diverter
Remedy
Remove and clean check valves
Reverse hot and cold supply lines
Reverse valve
Correct water pressure at source
Remove shower head and clean debris.
If necessary, soak in a 50/50 mix of
white vinegar/ water or a de-scaling
agent until all dirt is dissolved.
Remove and clean check valves
Calibrate valve following instructions on
previous page
Adjust water heater temperature setting
Remove and clean check valves
Calibrate valve following instructions on
previous page
Check and adjust water pressure for
both hot & cold supply lines
Remove and clean cartridge following
instructions above
Check and adjust water pressure at
source
Remove and clean cartridge following
instructions above
Remove and clean check valves
Remove shower head and clean debris.
If necessary, soak in a 50/50 mix of
white vinegar/ water or a de-scaling
agent until all dirt is dissolved.
Repair or replace cartridge in wall stop/
volume control
Install the proper extension kit:
SS-EXT50 (need to specify finish)
P a g e
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