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Trying to get instruction on grohe 34-124 grotherm thermostat adjustment. Thanks

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  • arby1327 Dec 12, 2009

    My issue is to try and get the temp as cool as possible (70 degees. I have not figured out how to get the trim off as i cannot remove the handle. Thx

  • arby1327 Dec 12, 2009

    I am trying to adjust the temperature down (cooler on a grohe 34 124 thermostat valve (grotherm). I have not been able to remove grip ring handle in order tp access the valve. Thx

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To get manual for the thermostat you need to contact Grohe at link below.

http://www.groheamerica.com/p/25_16615.html

Posted on Dec 12, 2009

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Hi there,

Please follow the below steps -
 
1. Press in the safety lock located at the top of the hot water safety valve. The safety lock, if installed properly, is behind the actual hot water handle and flush against the wall. The safety lock must be depressed to move the safety valve.
 
2. Turn the circular dial of the safety valve clockwise to increase the temperature of the water. The safety valve, when attached, can only turn half way to the right (clockwise), effectively limiting the temperature to 90 percent of what your pipes are capable of without the safety valve.
 
3. Turn the circular dial to the left (counterclockwise) to activate the safety valve and reduce the maximum temperature the faucet is capable of. This in effect limits the amount of hot water that is mixed with cold water. You will always get a certain amount of cold water even if the cold water handle is in the "off" position.

Good Luck!!

Thanks

Posted on Dec 12, 2009

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