Question about Stiebel Eltron CK20E Electric Tankless Water Heater

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Hot water tap only warm water in bathroom but hot in kitchen

Hot water tap only giving out warm water in bathroom but boiling hot water in the kitchen and laundry, why is this so?

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Usually when you are having a problem at only one fixture, and not any others it is a sign that you have a faulty fixture. Hope this helps.

Posted on Jul 16, 2009

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Posted on Jan 02, 2017

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1 Answer

I have hot water in kitchen and Luke warm water in bathroom Combiboiler


Check it out. Possibly a separate instant hot water
heater under the sink area.


Good luck


Mai

Feb 07, 2017 | Water Water Heaters

1 Answer

No hot water from kitchen tap


The hot side of the faucet is most likely plugged with something that came up thru the water system. The average thankless waterheater requires at least 1/2 to 3/4 gpm flow rate for the unit to sense flow and turn on. If there is not enough flow it will not fire and heat the water. Not sure about this particular unit but a few require at least one full gallon per minute flow. So chances are that if you fix the faucet, you fix the hot water issue at the same time

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It is the shower head or plumbing that has a built in mixer or reducer.

Dec 09, 2013 | Stiebel Eltron CK20E Electric Tankless...

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Greenstar 30cdi hot water issue


The problem is not the water heater. The shower has a mixer or a limiter built into the plumbing so that the water wont get hot. It is a safety feature to prevent burns and protect children from scalding.

Dec 09, 2013 | Water Heaters

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I have a BOSCH 425N tanlkess hot water heater. In order to get hot water to flow to the sink taps, I need to turn more than one tap on (eg. if I want hot water at kitchen sink I must also turn a bathroom...


You need to have the flow switch looked at. The low flow of the water to the lavs and the kitchen sink, they all have as small demand next to t bath or shower,
Tom

Sep 19, 2011 | Bosch 425HN NG Tankless Water Heater

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The rinnai 20 Infinity is perfect but have recently noted a problem. I found the basin hot water tap in the bathroom begin dripping only when the kitchen hot water tap is turned on. I don't know how...


Some taps are designed to release excess pressure but it could just be a dodgy tap washer that leaks when the pressure of hot water in pipe work builds. Change the tap washer in your tap, see if it fixes it, if not it's just the design.

Jul 02, 2011 | Water Heaters

1 Answer

Getting really hot water to the kitchen but only tepid hot water into the bathroom and ensuite. Do not need to put on the cold tap at all in the bathrooms but you can't hold your hand under the tap in...


If some taps have really hot and others luke warm, then you might have defective mixing valve, check valve, or crossover on single handled faucet.
http://waterheatertimer.org/Crossover.html

Crossover can also cause stacking event. Stacking could be part of puzzle.
http://waterheatertimer.org/Stacking.html

Once crossover or check valve or mixing valve problem is solved, if you have really hot water to some taps, then turn down thermostat to avoid scalding.
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html

Add a comment for more help.

Jun 13, 2011 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

2 Answers

We used to have hot extremely hot water in both bathrooms. One day, the water became warm and ultimately cold in one of the bathrooms. Now, the water is also freezing in the bathroom where the water used...


Your check-valve has most likely failed at the switch.
The flow check valve works by opening when you turn the water tap. When it opens it closes a switch which turns on your heating elements. When this switch fails you will still have water flow, but no heat. Titan has parts for this but you will need to call their service Dept.
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or call
Toll free support pesonnel hours (EST): Monday-Friday: 9:00am - 5:00pm
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They also have an online support operator during normal business hours here
http://www.titanheater.com/livehelp/livehelp.php?department=2

Mar 24, 2010 | TitanNet TITANTANKLESS. COM PRESENTS THE...

2 Answers

New water heater, shower hot then only warm water in 5 minutes


try this, set the bottom therostat if it is electric , 10 degrees hoter than the top is set , if gas have no ideas

Dec 05, 2008 | Water Heaters

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