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8
Maintenance: Clean the filters
CAUTION: Turn off the water at the main or with the
service stops, before opening the valve.
Remove the handle and escutcheon.
Failure to hold the stop unit steady
while unscrewing or replacing the
thermostat cartridge will result in
damage to the stop unit.
Grasp the wrench flats on the cartridge stop unit
with a wrench.
Hold the stop unit still with one wrench. Use a
second wrench or a 17mm deep socket wrench to
unscrew and remove the thermostatic cartridge.
Rinse the debris from the filters, using a soft tooth-
brush if necessary. Do not attempt to remove the
screens.
Lubricate the o-rings with white plumbers grease.
Install the thermostatic cartridge in the stop unit.