removing shower unit

[ralphie]

I have an aqualisa shower mixer unit (8 years old) . I cannot see any olive fixing to undo to remove this unit. It appears to be fixed to the hot and cold inlet by two small screws which hold the plastic connectors onto the tiles - I want to remove the whole unit and replace with a new unit recently purchased. How do I remove the aqualista unit?

many thanks

 

[kevplumb]

and the model is

 

[JPC]

is it pushfit ?

 

[ralphie]

Its an Aquarian model. I was wondering if it is a push fit, but I am unsure. If so, do I simply pull it off, or what? Cheers.