12
Maintenance: Clean the filters
While holding the stop unit still, use a second ad-
justable wrench or a 17mm deep socket wrench to
unscrew and remove the thermostatic cartridge.
Rinse any debris from the filters on the thermostatic
cartridge. Use a soft toothbrush, if necessary.
Do not attempt to remove the screens.
Lubricate the o-rings with white plumbers grease.
Reinstall the thermostatic cartridge in the stop unit.
Justify and reinstall the handle.
CAUTION: Turn off the water to the shower, either
at the main or with the service stops, before open-
ing the valve.
Remove the handle and escutcheon.
Grasp the wrench flats on the cartridge stop unit
with an adjustable wrench.
Failure to hold the stop unit steady
while unscrewing or replacing the
thermostat cartridge will result in
damage to the stop unit.
wrench flat stop unit
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