Grohe shower valve fix
Posted by Ducs on January 10, 2004 at 11:06:53:
We have one of those Grohe adjustable temperature showers. I believe this model is called Grohtherm.
I was taking the temperature control apart to see if I could silicone around the tiles. There is a plastic green slotted thumbscrew type thing under the chrome cap. I turned it counter clockwise a few times and it came off. Trouble is there is a brass piston behind it that will no longer go back in so I cannot re-install the green thumbscrew.

Does anyone know what is the right procedure to get the brass piston to retract backwards?

Thank You




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