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Troubleshooting
Problem
Insufficient water
Crossflow: hot water forced into
cold water supply or vice versa
when mixture is closed
Output temperature does not
correspond with temperature
marked on handle
Safety stop button not operating
Handle hard to turn
Shower or spout dripping
Temperature regulation not
possible
Maintenance
• Should the volume of water decrease over time,
inspect and clean the filters on the thermostatic
cartridge. After reassembly, set the high
temperature limit stop and justify the handle.
• To prolong the life of the themostatic cartridge,
regularly run it through its full range of
temperatures.
Possible Cause
Supply pressure inadequate
Cartridge filters dirty
Showerhead or handshower
filter dirty
Check valves dirty or worn
Handle not justified
Water heater set too low
Button and/or spring are dirty
or worn
Cartridge dirty or worn
Volume control cartridge dirty
or worn
(new installation) Hot and cold
supplies are reversed
Thermostatic cartridge dirty or
worn
Solution
Check water pressure
Clean the filters
Clean the filter
Clean check valves, replace if
necessary
Justify the handle
Increase the hot water tem-
perature
Clean spring and button,
replace if necessary
Replace cartridge
Clean or replace volume con-
trol cartridge
Correct the plumbing
Replace the thermostatic
cartridge
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