Question about Grohe Integrated 1/2'' Shower Thermostatic Rough-In Valve With Stops - 3412
I have the same shower. It starts hot (but never as hot as the hot water is) and then turns warm and then stone cold. I have exactly the same make of shower
You need to change the cartridge, it is a temp control and is going bad so it keeps you from burning yourself it is like a mixing valve and is givng more cold water, that way you don;t get burned,,
Posted on Jun 21, 2009
Hi I have a Grohe shower connected to a combi boiler it has started to go cold and hot intermitantly when running its about 12 years old now i have ran the taps that are also running off the bolier and they seem ok any ideas ?
Posted on May 30, 2011
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Posted on Jan 02, 2017
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