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

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GROHE FAUCET DRIPS FAUCETS IS A 34-434

IS THE MAIN CARTRIDGE THE PROBLEM OR IS IT THE STOPS OR CHECK VALVE THIS IS A THERMOSTAT VALVE # 34 434 000 THE CARTRIDGE IS ALOT OF MONEY SO I DO NOT WANT TO INSTALL AND NOT FIX PROBLEM THANKS FOR HELP RICK

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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.

Posted on Feb 02, 2009

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Excess Hit Water Bill from Solar/electric Hot Water System


10-30-12
Cost calculations for recirculation system vary widely.
These systems cost more, and they cause higher operation cost of water heater.

1) When pump is OFF, then hot water is no longer leaving the tank.
Most recirculation systems have choice of timer for setting specific times of operation, or thermostatic operation that activates pump when sensor detects temperature less than 90 degrees
BUT...

2) Condition of plumbing is suspect here because you are not receiving fully 90 degree hot water from the recirculation system.?.

Bad single-handle faucet cartridge, or bad recirculation check valve, are causes of crossover. Clean recirculation check valve with white vinegar. Replace worn faucet cartridge.
Test for crossover.
http://waterheatertimer.org/Crossover.html

3) There are other suspects, such as water leak.
Drips, broken pipe, bad TP valve.
Turn off all taps and put ear against pipe to listen for running water.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#listen

4) High costs: Lifting single-handle faucet in middle will immediately cause cold water to enter tank. Even if no hot arrives at tap, because the cartridge is drawing both hot and cold in equal amounts when handle is lifted in middle.
Today it is more efficient to install dual-handle faucets so tank is not receiving constant dose of cold water when single-handle faucet is not used correctly or tediously.
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html

Oct 29, 2012 | Water Heaters

1 Answer

Just replaced Grohe wax cartrige 47 111 000, still have slow drip. HELP! thanks, James


besides the cartridge, the small brass screw/valve and its seat can cause this leak

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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.

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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.

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Whenever i pull out the head on my grohe ladylux faucet, water starts to run back along the hose and down under the sink. i've replaced the head itself and the o ring but it still does it. can anyone help...


call grohe and have them send you the hole unit hose and all they warranty it it for life it is obvious there is a slite crack in the head base, they will send it for free

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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

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    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...

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