Creda Aquablue 8.5KW / Redring Super Extra 7.2kW

[tjm]

I recently replaced my Redring Super Extra 7.2kW with a Creda Aquablue from B+Q. The Creda seems to be an ideal replacement because apart from more power it is exactly the same size and shape.

However, the 4 power settings do not seem to line up. For example selecting cold on the shower front gives LOW power, low setting gives MEDIUM power, medium setting gives HIGH power and high power gives COLD.

This works WITHOUT the front cover on so I can only assume the selector has been assembled incorrectly which in turn affect the two pressure switches in some way.

Has anyone else experienced this?