Grohe Thermostatic Valve Leaking

[Ryan87500]

I believe I have a Grohe 34.122 (see picture) and it has started leaking. I have no issues with hot or cold water etc just a leak on the valve. I assume I just need an O-Ring kit or do I need an entire valve?

If so where do I get a kit? Any special tools to remove this valve?

I also can't figure out how to get the remaining pieces off?


Sorry for all the questions.

 

[Ryan87500]

I believe I have a Grohe 34.122 (see picture) and it has started leaking. I have no issues with hot or cold water etc just a leak on the valve. I assume I just need an O-Ring kit or do I need an entire valve?

If so where do I get a kit? Any special tools to remove this valve?

I also can't figure out how to get the remaining pieces off?


Sorry for all the questions.

View attachment 80903

I was able to get all the parts off and now left with this. The cartridge looks like a 47310 cartridge.

Do you think I just need washers if it is only leaking? Are those shutoffs on either side? looks like a large allen wrench and inside I see what looks like a threaded opening.

 

[Sponsor]

 

[Breplum]

Metric allen wrench for the multi-turn shut-offs. No washers, just replacement cartridge is available.
You'll need a thermometer to reset the temp adjustment.

 

[Ryan87500]

Metric allen wrench for the multi-turn shut-offs. No washers, just replacement cartridge is available.
You'll need a thermometer to reset the temp adjustment.

When you say no washers I was thinking it could be the o-rings on the cartridge that I see I can order. Or are you saying it is an internal component and that isn’t repairable?