Question about Bosch PowerStar AE115 Tankless Water Heater...

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Why will the power star tankless heater not heat up at all

The water gets warm but not hot what could it be

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Hi there,
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Posted on Jan 02, 2017

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Earnest Bowes

  • 234 Answers

SOURCE: Bosch Pro tankless water heater overheating

The vent pipe you use is the correct size for the heater.Longer runs require bigger pipe.I also would check to see if the water is getting to hot.

Posted on Mar 16, 2009

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Anonymous

  • 1 Answer

SOURCE: Tankless water heater pilot light will not stay on

It is most likely the water valve stuck open, telling the controls to heat water, that it thinks is flowing through it, but without actual flow it overheats. Depending on how comfortable you are with taking it apart yourself, you could open the valve to see if it just needs cleaned out, or if you have a ruptured diaphragm or some other cause.

Posted on Apr 22, 2009

Anonymous

  • 2 Answers

SOURCE: why am i getting a A3 error code on my bosch aqua

Question is though, why would this fail after only six months?

Posted on Dec 08, 2009

1stBSP

Steven Foerst

  • 52 Answers

SOURCE: i have a 250SX aquastar bosch tankless hot water

The 250 MUST have the condensate line connected. EC comes from gas supply problems and CO2 levels not being adjusted. LP units require 3/4" smooth gas pipe or 1" corrugated pipe minimum size. The LP regulator needs to be turned up to about 13 inches of water column and with all the gas appliances on, measure no less than 11 inches of water column. The CO2 levels must be measured by a qualified gas technician with a calibrated (with in 6 months) CO2 analyzer.

Posted on Apr 11, 2010

rodpnnv

  • 37 Answers

SOURCE: i have the bosch

how is heating element ? Wasit on with no water running thru it. Does it have a reset?

Posted on Jan 26, 2011

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1 Answer

I went to take a shower this morning and the water was ice cold. For more than twenty minutes the water ran and never warmed up. Are there common things to check my hot water heater for in this situ


There is an adjustment knob to control how hot the water can become. There might be a problem at the tap (however, if this is the case, you would still get hot water everywhere in the house). If the entire house isn't getting hot water, and the knob is set at the hottest water, you probably need to get the hot water tank replaced.

Feb 04, 2015 | Rheem Tankless Hot Water Heater...

1 Answer

Doesn't always come on with hot water is turned on


Water heaters draw water into the bottom, and as the hot water heats, it rises and hot water exits from the top.
You might want to check each fixture, does the hot pipe (tubing)feel warm when you run it for a moment. Can you get warm water from some of the fixtures, but not others?
I'm bet there is a leak at the top of the intake which is filling from the top down, instead of bottom up.

Dec 27, 2012 | Water Heaters

1 Answer

I just replaced the circuit board, and the water gets warm, but not hot.


Problem might be crossover from failed single-handle faucet cartridge:
http://waterheatertimer.org/Crossover.html

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Oct 22, 2012 | Bosch PowerStar AE115 Tankless Water...

1 Answer

Only warm, not hot water from our tap unless I slow the tap down.


Warm water indicates a element is probally in need of replacement. For warm water only more than likely the top element is bad. If you get a burst of hot water for a little while then your bottom one is probally gone bad. Best to replace both elements when changing one out due to not being to exspensive and you have to drain it down anyway.

To change out shut water of and turn power of to water heater open hot side on a faucet to allow heater to drain down so you can change out element.

Jul 27, 2011 | Water Heaters

1 Answer

My oil fired hot water heater provides only sporadic hot water. For example, when I am home alone it takes 2 minutes to get luke warm water in the shower, then it is only warm for a few minutes, then...


It sounds like your thermostat on the water heater isn't working properly. try turning it up higher and if this doesn't work I would have a service techy look at it.

Mar 24, 2011 | Water Heaters

1 Answer

I have an Atwood GGA-8E about 6 months old was getting hot water but now the water is only luke warm, any adjustments?


There should be a temperature setting on the gas valve. It should be on top or front and have several settings normally vacation, warm and hot. Rotate dial towards hot setting to increase water temperature. Hope this helps. Thanks

Nov 17, 2010 | RTO Atwood Water Heater - 6 Gal LP

1 Answer

Warm water only


You can eliminate the shower control knob possibility by turning on your hot water anywhere else in the house. If you get hot water in other places, then it could be the knob causing it. A substantial lime buildup in the tank can also cause poor heat transfer from the elements to the water.

Sep 16, 2009 | Rheem 40 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

WE HAVE CHANGED THE THERMOSTATS BOTH OF THEM, WE HAVE CHANGED BOTH ELEMENTS AND THE WATER STILL DOENT GET HOT ENOUGH. WE HAVE TURNED UP BOTH THERMOSTATS AND STILL NOT HOT ENOUGH. WHEN YOUR RUNNING THE HOT...


WE THOUGHT WE NEEDED ANOTHER THERMOSTAR, BUT WHEN WE WERE LOOKING FOR THE PART THE EMPLOYEE ASKED WHAT WAS THE TROUBLE. WE EXPLAINED, HE SAID YOU DEFINATLY DO NOT HAVE A PROBLEM WITH YOUR TANK AND ASKED IF WE HAD A SINGLE HANDLED FAUCET WITHIN THE HOUSE. NO WE DONT. HE SAID IT SOUNDS LIKE WATER IS MIXING WITH THE COLD WATER THATS THE REASON FOR THE WARM--COLD--WARM WATER. COME TO FIND OUT SINCE WE ARE REMODLING THE BATHROOM, WE HAD BOTH THE HOT AND COLD WATER TURNED ON IN THE SHOWER--BUT WERE PLUGGED OFF AT THE SHOWER HEAD AND THE FAUCET UNTIL THE TILE IS INSTALLED. SOOO ALL MY HUSBAND HAD TO DO WAS TURN OFF THE WATER IN THE SHOWER. NOW WE HAVE PLENTY OF HOT WATER, NO WARM COLD. YEA!!!

Jul 06, 2009 | Whirlpool Water Heaters

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