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Grohe shower mixer does not adjust temperature

The water is either too hot or too cold.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 14 Answers

SOURCE: moen single handle valve tub/shower

The Moen Posi-Temp Valve is a pressure balanced valve and when not used for long periods of time they can stick causing only cold or hot water to pass through the valve.
A New Posi-temp cartridges can be purchased at most plumbing supply houses or big box outlets such as Lowes or Home Depot.
As long as you had cold water before, a new cartridge will solve the problem. In the future it would be wise to occassionally operate the valve at least a couple of times a month in order to keep the pressure assembly from becoming lodged in position. Just follow the instructions included with the new cartridge on the proper removal of the old cartridge and the installation of the new cartridge. a little silicone grease inside of the valve before installing the new cartridge will also help.
Be sure that there is no particles of the old cartridge left in the valve.
sanray

Posted on Dec 27, 2008

grantparkman
  • 6 Answers

SOURCE: shower temperature too hot

Shower valves that have anti-scald features are renowned for this problem. Usually it is caused by not being used regularly. It can be repaired usually without replacing the valve, but you will have to dissemble it, clean, and use some plumbers grease to reassemble it. It should work fine after this. If it still does not work you will need to replace the cartridge.

Posted on Jul 04, 2009

  • 349 Answers

SOURCE: adjusting the scauld guard on a shower mixer valve

Uue a 1/8" allen wrench to remove handle to access the dial that set's the mixture of water.Remember or mark where it is and remove and reinsert counter clockwise about a 1/4 turn to start to you reach desired temperature setting. Be careful not to set it at a hot enough setting to burn you.
Once dial in place slide handle on and turn on to check water temperature.

Posted on Aug 01, 2010

  • 4336 Answers

SOURCE: When turning on the hot water on dedicated hot

Pull apart the front of the valve and there is a limiter that is set to limit hte hot water, you need to adjust that limiter. I find many valves are shipped with teh setting too cold.

Posted on Oct 09, 2010

  • 4336 Answers

SOURCE: grohe shower mixer, water always

There is a hot temp limiter that comes from the factory set too low, often. typically you remove the handle and there is a limiting ring located under it that needs adjusting. This is a very common issue on most brands, deals with lawsuits.

Posted on Jan 06, 2011

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1 Answer

Could my grohe thermostatic shower be letting cold water into my system? Some other taps run cool but the shower is running OK temperature


If you have single handle facute one bad cartridge in the system may be acting like a mixing valve and allowing cold water to mix with hot not allowing water to get hot enough .

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Is it possible to adjust shower mixer temperature?


Now my best guess is that you kept heater too high for a long time which means that the pipe carrying hot and cold water got touched and water became hot So turn off the heater for while and let the pipes cool off then turn the heater on at a low setting ...

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Grohe mixer will only start the pump on cold. Is the unit faulty.


Ive written a solution twice but for some reason it wont let me post it.I will try to abbreviate it.

You dont say how much flow it has when the pump isnt running but I suspect there isnt enough to turn on the sensor unless all the flow is one side. ie all cold.

May 06, 2012 | Grohe Plumbing

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Grohe shower mixer, water always warm, never hot, even when turning temp up ?


There is a hot temp limiter that comes from the factory set too low, often. typically you remove the handle and there is a limiting ring located under it that needs adjusting. This is a very common issue on most brands, deals with lawsuits.

Jan 06, 2011 | Grohe Home

1 Answer

I just installed Grohe aquatower 2000 shower panel. there is no hot water.


Before installing, did you check the supply temperature? The mixer won't do any good on your AquaTower if you didn't calibrate the water temperature coming out of the wall first. I suggest you remove the supply line to the unit and measure it with a handheld thermometer (it should read 36 or 38 degrees celcius), then reconnect to the unit and you should be able to make adjustments through the mixer.

Jul 30, 2010 | Home

1 Answer

Temperature too hot on bristan art deco mixer shower even on lowest temperature setting.


if the water is that hot then lower [adjust] the temp of your hot water heater -if need to adjust the shower you can adjust the mixing by removing the handle and on the valve stem are the adjusting clips the red [hot] and blue [cold]plastic clips can move them around to adjust the mixing of hot and cold water

Jul 23, 2010 | Home

1 Answer

Grohe valve Grohtherm Thermostatic Rough 34-126 I turn the mixer to full hot but the temperature remains tepid. All the other faucets in the


The thermostatic stop is set too low. Havent set a grohe before but most other thermostatic shower valves work similar. pull off the handle(however a grohe handle comes off . . ) there should be a notched ring or stop which keeps the handle from going all the way hot. pull out the ring and turn it a few teeth hotter put back and reinstall handle try water temp and adjust again if necessary.

Jan 23, 2010 | Grohe Grohtherm Thermostatic Rough-In...

1 Answer

The temperature in my shower is very luke warm only at the shower


Do you mean the other faucets in the house are hot and only the shower is warm? If so there is an anti-scald adjustment on the faucet that needs to be turned up a few notches. Havent adjusted a Grohe faucet but most faucets you rmove the handle and behind the handle is a nothced adjustment ring that prevents the faucet from getting too hot. This ring, or stop, is pulled out and twisted clockwise(or counter clockwise to set higher or lower max temp, then pushed back. maybe you can look up grohe to see which way ring or stop adjusts for hotter water.

Jan 23, 2010 | Grohe Integrated 1/2'' Shower Thermostatic...

1 Answer

My thermostatic concealed shower valve only gives either boiling hot water or cold water, there is no inbetween temperature? the cold is fed from mains and the hot from a combi boiler. the plumber has said...


Hi,

If the hot and cold are fitted the wrong way round then the thermostat on the shower unit cannot operate properly!

Most thermostatic mixer showers have a 'bi-metallic' thermostat, if you supply the hot to the cold and vice versa IT WILL NOT WORK.

It is like wearing the left shoe on the right foot and the right on the left! It doesn't work.

Re-install the hot and cold to the correct supply, and this will sort it.

I hope this helps.

Jul 07, 2009 | Grohe Integrated 1/2'' Shower Thermostatic...

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