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T R O U B L E S H O O T I N G
P ROB L EM
Insufficient water
Crossflow: hot water being forced
into cold water supply, or vice versa,
when mixer is closed
Output temperature does not cor-
respond with temperature set
Output temperature is erratic
Output water is all hot or all cold
-- doesn't mix (new installation)
Safety stop override button not
operating
M AI N TEN A N C E
⁄ Inspect the check valves at least once per year.
Replace the check valves if necessary.
⁄ 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, regu-
larly run it through its full range of temperatures.
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P OS S I B L E C AUS E
– Supply pressure inadequate
– Thermostatic cartridge filter dirty
– Showerhead screen washer or filter
gasket dirty
– Check valves dirty or worn
– Handle not justified
– Temperature regulator dirty or
calcified
– Rough valve is cross connected --
hot on right and cold on left
– Spring defective
– Button dirty
S OLUTIO N
– Check water pressure (If a pump
has been installed check to see if
the pump is working).
– Clean filters
– Clean screen washer or filter gasket
– Clean check valves,replace if
necessary
– Justify the handle
– Clean temperature thermostatic
cartridge filters
– Replace thermostatic cartridge
– Remove function block, turn it 180°
and reinstall.
– Clean spring and/or button,
replace if necessary
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