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Old 12-02-2010, 07:58 PM   #1
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i need help with tankless water heater


hi. its getting cold here and i need some help.
the other day my powerstar ae115 heater started only putting out semi warm water. so i took the cover off to see if the button on top of the cans needed reset.but they did not. and then i see water leaking from the seal on the bottom of the one can. the seal where the side meats the bottom . is this repairable. or does it the whole unit need swapped out. if so. is it just disconnect, and reconnect everything the same, with the exact same unit????
please help.thanks, jim
the Bosch hotline on the unit was no help

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Old 12-02-2010, 11:15 PM   #2
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i need help with tankless water heater


most all seals can be replaced. http://www.boschhotwater.com/Portals...5125_parts.pdf

which part are you talking about 5, or 11?

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Old 12-03-2010, 08:52 PM   #3
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i need help with tankless water heater


# 4 the can. the bottom of it is leaking. like a can of soup. where the cylinder meets the bottom of can.
thanks, i realy need a hot shower
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Old 12-04-2010, 08:50 PM   #4
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i need help with tankless water heater


shoot, someons gotta know if this unit is repairable or just has to be replaced.
thanks, jim
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Old 12-05-2010, 08:32 AM   #5
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i need help with tankless water heater


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Old 12-10-2010, 08:40 AM   #6
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i need help with tankless water heater


i guess ill try to fix it then if nobody knows. it looks like the heating elements are in something that looks just like a can of soup. its made of copper, and the bottom is soldered on. thats where the pinhole leak is. i am gonna try to resolder it just like a copper pipe.
does anyone see a prolbem with that? do ya think it will work, cause the water seems to be working just fine other than the leak.
thanks
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Old 12-10-2010, 10:58 AM   #7
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i need help with tankless water heater


How old is this unit. Are you still under warranty? If you are STOP WHAT YOU ARE DOING AND CALL THE MANUFACTURER OR THE SUPPLIER.
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Old 12-11-2010, 08:48 PM   #8
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i need help with tankless water heater


it probably 5 or so years old. it was here when i bought the house. i tried to clall the company. but before they would answer a single question, the wanted tons of info. they even said i need a meter to test currents before answering a single question. it was insane. i was so angry i called and pranked the guy a few times. it made me feel a little better.
theres only a warrenty for the original owner.
thanks
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Old 12-11-2010, 11:47 PM   #9
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i need help with tankless water heater


Look I guess anything you do at this point is better than what's happening now. I need detailed pics to really advise you. Soldering may not be so easy, as you will have to remove all water, corrosion and safety sensors. Otherwise you will just increase your troubles. Especially with electricity involved.

You really need someone truly gifted in soldering maybe even brazing with silver solder. Soft solder may not be strong enough for the expansion and contraction in the element housing. You may have even already lost an element. In which case may be cause for replacement of the unit.

I would still pursue the company, ask for a supervisor. Yes they have questions, yes they can be frustrating, look at it like this they have no idea who you are. They don't know the unit, they have response scenarios they have to go through, jump through the hoops in the end they may help you. No company wants a bad name I still believe in customer service. Hell I've had lots of things replaced by the manufacturer even when items were out of warranty.
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Old 12-13-2010, 10:44 AM   #10
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i need help with tankless water heater


I think I'd be looking into a wet surface epoxy as a temporary repair here. JB Weld makes a wet/dry putty that would probably work.

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