Question about Grohe Integrated 1/2'' Shower Thermostatic Rough-In Valve With Stops - 3412

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Water flow slow from my Grohe Shower thermostatic faucet

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Posted on Jan 02, 2017

gary1121
  • 332 Answers

SOURCE: Grohe Thermostatic Valve

the temp, control valve is getting to hot!!! there for only let so much hot water go thru, did you take the inner parts out when soldering this in, if not you might have damaged it, and if so need to replace the cartdrige

Posted on Jun 06, 2009

  • 3 Answers

SOURCE: Install trim and adjust the thermostat on a Grohe shower faucet

Before you install the temperature control knob, adjust the valve body (47111) with a wrench to set the temperature to "100 degree or close to it". Now, place the limit ring to tdc (top dead center) and control knob with the red 100-degree align to it. Your problem may have been the valve's temperature setting is out range when you installing the temperature control knob.

Posted on Jul 05, 2010

  • 257 Answers

SOURCE: after turning water on to

If you spin the shower head off there should be a metal screen inside. If it is clear, Soak the shower head in CLR for about 4 hours. After 10 years even the best water supply will leave behind a build up that can plug the tiny holes.

Posted on Feb 24, 2011

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1 Answer

After turning water on to 10 year old grohe shower faucet pressure rapidly drops to nearly nothing


If you spin the shower head off there should be a metal screen inside. If it is clear, Soak the shower head in CLR for about 4 hours. After 10 years even the best water supply will leave behind a build up that can plug the tiny holes.

Feb 24, 2011 | Grohe Grohmix Thermostat Valve & Trim -...

3 Answers

Install trim and adjust the thermostat on a Grohe shower faucet


Before you install the temperature control knob, adjust the valve body (47111) with a wrench to set the temperature to "100 degree or close to it". Now, place the limit ring to tdc (top dead center) and control knob with the red 100-degree align to it. Your problem may have been the valve's temperature setting is out range when you installing the temperature control knob.

Jun 28, 2010 | Grohe Grohmix Thermostat Valve & Trim -...

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

Flow of water thru shower head is barely a trickle


There is a chance there is mineral deposits in the showerhead openings. You can try products sucha as limeaway by unscrewing the showerhead , soaking in the limeaway for a few minutes and rinsing with water. You may have to repeat this a few times to get it clean.

Jan 20, 2010 | Grohe Integrated 1/2'' Shower Thermostatic...

1 Answer

Installation problem: Grohmix shower valve 1 1/2'' extension


This is what you should have... Grohe Grohmix Thermostat Valve & Trim - 34436
  • Paraffin cartridge
  • Lever volume control
  • Grip ring temperature control
  • 1/2" NPT female connections
  • Service stops
  • Includes rough-in valve and trim
  • Integrated temperature and volume control
  • Requires Twin Ell (03 671) for shower/tub combinations with diverter spout Note:
  • Requires Twin Ell (03 671) for shower/tub combinations with diverter spout
  • Grohe Grohmix Thermostat Valve & Trim - 34436

    Mar 26, 2009 | Grohe Grohmix Thermostat Valve & Trim -...

    1 Answer

    Grohe bath faucet adjustments


    grohe is a faucet all by itself ,,, I would recomend to have you call there repair dept. and explain this to them, you said you put in the new cartridge and thats about all there is to it, when you put on the handle make sure it is not over tightened, sometimes it pulls on the cartridge and makes it come on by itself good luck

    Feb 21, 2009 | Grohe Integrated 1/2'' Shower Thermostatic...

    1 Answer

    Grohe Thermostatic Valve


    the temp, control valve is getting to hot!!! there for only let so much hot water go thru, did you take the inner parts out when soldering this in, if not you might have damaged it, and if so need to replace the cartdrige

    Feb 10, 2009 | Grohe Integrated 1/2'' Shower Thermostatic...

    1 Answer

    GROHE FAUCET DRIPS FAUCETS IS A 34-434


    yes this is definately the cartridge.You might not have to replace the cartridge.First take the cartidge out and see if their is any dirt causing the water to pass thru the spout.If thiers nothing obstructing the cartridge than you will need to get a new one.

    Jan 25, 2009 | Grohe Integrated 1/2'' Shower Thermostatic...

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