R RickCl New Member Messages 2 Reaction score 0 Points 1 Location 60657 Jul 18, 2025 #1 The valve in this Grohe 3/4 inch shower is starting to go out. I need help identifying it so I can get the right cartridge. As I wrote, it is a 3/4 inch valve from the 1980's.
The valve in this Grohe 3/4 inch shower is starting to go out. I need help identifying it so I can get the right cartridge. As I wrote, it is a 3/4 inch valve from the 1980's.
Breplum Licensed plumbing contractor Messages 2,724 Reaction score 1,190 Points 113 Location San Francisco Bay Area Jul 21, 2025 #2 grohemix 3/4 inch element , aka thermostatic cartridge 270 25000 $225. to $270. terribly overpriced.
