Dec 5, 2025 · I have an old Grohe thermostatic shower valve. The water temperature only goes up to lukewarm, about 100 degrees. Previously it worked great for many years. I don’t know the exact …

Mar 10, 2024 · I need to replace the hot and cold cartridges on a 12 year old Grohe Seabury faucet and can't remove one of the "cross" handles. Cold came off easily after removing the screw holding the …

Nov 13, 2020 · We just renovated a bathroom with Grohe shower components (19988001 thermostatic shower valve, 35026000 rough-in). I've attached a picture of the rough-in installation. When the …

Dec 30, 2022 · Similar threads How to adjust temperature setting on this old Grohe Thermostatic valve beren Dec 4, 2025 Shower & Bathtub Forum & Blog Replies 4 Views 1K Dec 6, 2025

Mar 1, 2018 · The images are from the Grohe installation booklet for this aging lav faucet. What I really need is a removal manual, I guess. Appears that, as with some other Grohe models, the caps atop …

Jun 27, 2022 · Hello, I have a 40+ year old shower knob that is malfunctioning. (unknown brand and model) When you turn the knob, it frequently fails to grab the internal rod and get the water flowing. …

Jan 10, 2017 · I know that generally its necessary to replace a tub spout when the diverter has stopped doing its job (that is, water coming out of both the spout and showerhead at the same time). I don't …

Jul 5, 2024 · I have a customer that has a Grohe shower system from about 20 years ago. It has multiple body sprayers and different accessories. The main issue is the...

Jul 23, 2020 · I am trying to replace thermostatic valve cartridge (Grohe part#47662) in my shower. I cannot get the old one out!!! I have tried to loosen with WD-40 using an adjustible wrench and …

Oct 29, 2017 · I suspect it is a Grohe, or similar, and tightens from the top after you pull the spout off and use the special wrench. Thanks for the quick response. That would make sense.... any tips on pulling …