23
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.
Troubleshooting
Problem
Possible Cause
Solution
Insufficient water
– Supply pressure inadequate
– Check water pressure
– Cartridge filters dirty
– Clean the filters
– Showerhead or handshower
filter dirty
– Clean the filter
Crossflow: hot water forced into
cold water supply or vice versa
when mixture is closed
– Check valves dirty or worn
– Clean check valves, replace if
necessary
Output temperature does not cor-
respond with temperature marked
on handle
– Handle not justified
– Justify the handle
– Water heater set too low
– Increase the hot water
temperature
Temperature regulation not
possible
– (new installation) Hot and cold
supplies are reversed
– Correct the plumbing
– Thermostatic cartridge dirty or
worn
– Replace the thermostatic
cartridge
Safety stop button not operating
– Button and/or spring are dirty
or worn
– Clean spring and button, replace
if necessary
Handle hard to turn
– Cartridge dirty or worn
– Replace cartridge
Shower or spout dripping
– Volume control cartridge dirty
or worn
– Clean or replace volume control
cartridge
