While you wait for answers, we may have found some information which could help you.
Click here for Triton Opal Showercan a single pump be used on hot supply?
How can I mend my Triton T80 shower?
Triton opal temperature control?
I have a Triton T300si that is struggling to get hot enough?
Triton T100xr fault?
Triton t30 hand washer?