you need to take the front of the shower off and there is a little dial this is a internal thermistat.. There is also a guide to tell you what number relates to the temp you want..
Make sure you isolate the eletric mains before taking the front off...
Martin
March 2009
this time of year when the cold water temp is lower entering the building means you have to turn the setting up to increase temp. this causes the flow to decrease check in attic if pipes are lagged
wocko
January 2009
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