11
PROBLEM
1. Water too hot.
2. Water too cold.
POSSIBLE CAUSE
A Temperature control is not
correctly commissioned.
B Not enough cold water flowing
through shower.
C Increase in the ambient cold
water temperature.
D Cold water supply blocked.
E High volume of cold water drawn
off elsewhere.
F Cold water filter blocked.
A Temperature control is not
correctly commissioned.
B Not enough hot water flowing
through shower.
C Decrease in the ambient cold
water temperature.
D Hot water filter blocked.
E Insufficient hot water supplies
from the heating system.
F Hot water supply blocked or
restricted.
G Pressure in excess of max
recommended.
SUGGESTED ACTION
Adjust the temperature
control - this is only a job for a
suitably qualified person.
Turn temperature control
clockwise.
Turn temperature control
clockwise.
Turn off shower and consult a
competent plumber.
Reduce the simultaneous
demand from the supply.
Remove valve and clean
filters.
Adjust temperature control.
Turn the temperature
control anti-clockwise.
Turn the temperature
control anti-clockwise.
Remove valve and clean
filters on the inlet.
Make sure the hot water
is available by trying a hot
water tap elsewhere in the
house.
Turn off shower and
consult a suitably competent
plumber.
Fit pressure reducing valve.
