Dec 6, 2011 · WebAug 30, 2024 · 2. The "47 379" says its a Grohe brand reverse cartridge. Meaning someone piped hot water to the cold inlet and cold water to the hot inlet. The reverse cartridge corrects the mistake. 3. The shower mixer could have a clogged inlet screen at the hot side screwdriver stop or inside the cartridge itself. Or the cartridge could be bad.

FAQs - GROHE

WebIn most cases, this is caused by debris in the hot water line or port of the cartridge, and is easy to remedy. Option 1: There is a blockage in the hot water supply. You can back … shoeplay kids

GROHE Grohsafe® 1/2 in. Stub-Out Connection Pressure …

WebDec 21, 2024 · At first you could still just about get the shower hot enough but only by turning the on-/off lever back, the temperature lever didnt allow the shower to get hot enough when fully on. Then after while it has … WebJul 26, 2024 · Insufficient Hot Water: If you are having difficulty getting sufficient hot water from your shower, your Grohe thermostatic shower valve may be broken. This type of valve uses a sensor to determine the temperature of the water and adjusts the flow accordingly. If this component is not functioning properly, you may not be getting … WebDec 23, 2013 · I have an older model Grohe Therm. Shower valve - I've pulled out the cold and hot valve bodies and cleaned the filters, and I've pulled out the main center mixer valve body and replaced the o-rings. The problem I'm having is the water temp is either wicked hot or freezing cold - when I adjust the temp control knob, it won't mix the two temps ... shoe playing cards