Question about Delta & Single Handle Shower Faucet

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Adjusting the scauld guard on a shower mixer valve

How do you adjust a shower mixer valve water not hot enough

Posted by allanwjohnso on

  • Anonymous Mar 17, 2014

    Bancroft shower valve temperature adjustment



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Randy Marshall

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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


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1 Answer

Hot water does not get hot enough, is there a way to adjust the mixer

Yes, it could just be that the intervals of the mixer are getting stuck. This video may help

Sep 16, 2015 | Home

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I bet you don't drain your tank every year. It accumulates something a little like sand . it may have been low enough to "suck" up some of this trash into the hot water lines and then to your valve and shower head. I would start with the head itself a good long soak in vinegar. If you have a spare shower head or hand shower head, I would let it sit for a week. While you have the "tempory" head installed, you can find out if the valve has been affected. Hopefully not. But if it is still slow flow, the trash may have accumulated in the valve. If that is what it apears and you have been considering a new valve now is the time. You may be able to flush it out with a direct connected garden hose. A "reverse flush would be the first try.

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The knobs are for hot and cold water??

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I have a hudson reed Twin Concealed Thermostatic Shower Valve. It was working fine for a couple of years. My brother used the shower and adjusted the water temperature valve but since then the water has...

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May 31, 2011 | Hudson Reed Home

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I have an emco equitemp shower valve and have recently installed a tankless water heater. I need to adjust the valve so that the hot water temperature is higher. The water heater heats at 140 degrees but...

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1 Answer

Low hot water tempreture

Your question doesn't give me much to go on, but, If you have installed a new mixer valve in your shower and you can't get water that is hot enough to come out, there is a reason.

All newer mixer valves that I'm aware of have what's called a non-scholding setting that is done at the factory. ( I believe some manufacturers explain how to adjust this, in the paperwork you got with the part, if there are no children living in the home.) This is a child saftey feature, and if you want hoter water, you may have to raise the temperature setting in your water heater.

I hope this helps you.

Jan 29, 2011 | Home

1 Answer

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

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Jul 23, 2010 | Home

1 Answer

Thank you for reading this. I am a non-technical home owner. I have a Groge Atrio shower with a thermostat mixer in the wall. The water does not get hot enough so I need to adjust it upward. Do I remove...

You didn't mention what model you have. Here is a link to their web site. You can download a manual, that has detailed instructions on how to adjust. You should have a thermometer to measure water temperature to adjust properly. Go to : You can identify your model, and then download the technical product information. Also check the temperature of other faucets in the house to be sure they are getting hot enough, and not a water heater temp problem.

Jun 30, 2010 | Home

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