grohe shower valve

Can someone help identify this old Grohe shower faucet? Also, any ideas on how to remove the metal ring between the faucet and wall plate?

I have a Grotherm 3000 valve (34909) in a shower that was installed many years ago. A little while ago, it started only putting out hot water. After a little research, it seemed like the cartridge was the most likely candidate. When I opened it up and tried to turn off the supply locally using...

I'm installing a Grohe SmartControl 1/2" valve with two 2.5 GPM shower heads that can potentially run simultaneously. I've gone thru all 1/2" vs 3/4" pex threads on this forum but I'm still not sure which one should I use. It's a second floor bathroom with 3/4" trunk copper line that I'm going...

Hello everyone, I am new to the forum and have very little knowledge of plumbing. Please forgive any incorrect usage of words and descriptions. I searched the forum for similar problem but didn't find anything. If there is a previous discussion please let me know. I have two Grohe thermostatic...