Mira Elite ST cannot adjust
Make sure that the valve on the line to the shower is fully open, then check the inlet filter is clean and the shower head is also clear, if all these ate OK then you are going to need a new flow valve.
http://www.showerdoc.com/shower-spares/mira/MIRA-1563-507-Mira-Flow-Valve-Assembly-1563-507
Answered 12 years ago by The Shower Doctor
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Mira Elite ST Shower Spares
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