This question is regarding Grohe Avensys Flow Control Union Mod - 47767000

Can I replace thermostat and slider by removing flow control

I have a Grohe Avensys 34224000 concealed shower valve. It was working OK one day, then next morning I can only get cold water from shower. I think probably it is the thermostat / slider that needs to be replaced? Can I replace these parts from the front by removing the flow control, or do I have to take the whole valve out of the wall to access the screwed in valve seat at the back? Should I be thinking of replacing the flow control at the same time, to save draining the house down again (as there seem to be no stop taps in the service pipes)?
Asked 7 years ago by Jeremy
www.showerdoc.com/grohe-avensys-mixing-valve-34-224-and-34-225

All parts of this shower are accessible only from the front. Flow control is part of the thermostatic cartridge.

Answered 7 years ago by Barrie Seabright

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