water turns off after 1 min
Would really need to see this to be sure ...but....it could be the on/off valves or the gears not opening the cold valve and only allowing the hot to come through but then what happens is the valve is fail safe so if there is no cold to mix with the hot the valve shuts down.
The same thing can happen if the cold filter is blocked on the thermostatic cartridge therefore the best place to start may be to check the filters on the thermo cartridge.
Answered 9 years ago by Anonymous
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Trevi Traditional Shower Therm Built In Shower Valve
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