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Bosch power star  45-557701

Schematics

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My Worcester Bosch green star 28i keeps losing pressure,I have changed the expansion vessel about 6 months ago any idea.?


Check for water leaks on the system also check pressure relief it may be passing water .

Oct 20, 2016 | Bosch Water Heaters

1 Answer

I have a power star ae115 electric tankless water heater. It has performed flawlessly for approximately 5 years. A couple weeks ago it stopped producing HOT water but is still heating to Luke warm. The "...


5 years is about the lifespan for tankless.
You might have shorted element. That would explain cooler water and tripping reset.
Test element: power is off, disconnect wires from element; ohms = voltage squared divided by watt rating of element
http://waterheatertimer.org/How-to-test-water-heater-element.html

Call service technician./ Call Bosch
http://waterheatertimer.org/pdf/Bosch-AE115-AE125_manual.pdf

Gene

Oct 14, 2014 | Water Heaters

1 Answer

Bosh rp12pt schematics


call bosch ----- they have what you need and maybe online for you

Mar 12, 2014 | Bosch RP12PT Powerstream Pro Point-Of-Use...

1 Answer

My Bosch aqua star water heater lights but won't heat my water


Unplug micro switch located on bottom of water heater if it has one

Dec 30, 2012 | Bosch AquaStar Indoor Natural Gas Tankless...

1 Answer

Aqua star runs on and was running water to out side I guess it would be the overflow ( tankless). Had to turn the water off


Problem is not clear

Before calling service technician, open following link for Bosch troubleshooting resources including contact information for Bosch:
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html

Jun 09, 2011 | Bosch 2400ES LP AquaStar 6.4 GPM Indoor...

1 Answer

It's a power star ae 115 i have power to it 240 v


Bosch will give free tech support to figure out your problem. 800-798-8161. Check your paperwork if it is still in warranty they will send free replacement parts. If out of warranty go to www.houseneeds.com for replacement parts. Check the "Flow switch" a long two tubes with two little micro switches and a little round hat or sombrerro that MOVES when the H20 is turned on. IF YOU HAVE ONE OF THESE, it should turn on one or two micro switches. If you have this part it should be described in your "Owners manual". If you no longer have the owners manual you can get one free at www.bosch.com It will give you trouble shooting guide and or you can call them even out of warranty then purchase replacement parts.

May 25, 2010 | Bosch PowerStar AE115 Tankless Water...

1 Answer

We have a Power Star Bosch water heater it find for two years but now it take longer to get the warm water and it turn back to cold very fast. Model #45-557701


Call BOSCH 800-798-8161 tech support. If it is not too old even out of warranty they will help diagnose. You can get parts for free in warranty and buy parts at www.houseneeds.com out of warranty. If it gets hot fast and then stops, one of the "Thermal cutout switches" is cutting out. The water flow it probably blocked. (Just a guess) On many models they have a "Screen" and or a "Gromet" that you can clean out. If your water is really hard the whole unit may be clogged. I believe the "SAFE" thing to do is replace it but again I say CALL BOSCH TECH SUPPORT. I have also heard of people "Cleaning the whole units with vinigar, like cleaning a coffee maker. TURN OFF POWER! TURN OFF H20! REMOVE UNIT, then clean.

May 19, 2010 | Bosch PowerStar AE115 Tankless Water...

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