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Bosch sd11dt1b - Water Heaters

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AE-9.5 Bosch Tankless Water heater - no manuel or installation instructions


This is a "point of service" tankless water heater that was manufactured by BOSCH. BOSCH is now Bosch-Climate.us. Technical support is available at 866-330-2729. P.S. check this site: http://tanklesswaterheaterz.com/bosch-ae-9-5-powerstar-1-5-gpm-point-of-use-indoor-tankless-electric-water-heater-reviews/

Feb 02, 2013 | Bosch AE-9.5 Electric PowerStar PowerStar...

1 Answer

Bosch aq 125 no water preasure


Clean water filter yearly or monthly. Page 16 example manual.
http://waterheatertimer.org/pdf/Bosch-125BO-NG-LP-outdoor.pdf
Shut off the installer supplied cold water supply valve.
Disconnect water pipe going to the back of the water
valve. Remove filter from back of water valve. Clean the
filter and inspect for damage. Replace if the filter is at all
damaged. Inspect the top of the water valve for signs of
a water leak or corrosion. If present, rebuild the water
valve.
Bosch service bulletins:
http://www.bosch-climate.us/bosch-hot-water/aquastar-service-bulletins/38b-125-series-bulletins.html
Descale heat exchanger yearly.
http://waterheatertimer.org/pdf/Bosch_Descaling-heat-exchanger.pdf

Sep 29, 2012 | Bosch Water Heaters AquaStar 125 series...

1 Answer

My bosch tankless water heater is flashing ae


Before calling service technician, open following links for Bosch error codes, and contact information, and possible product manual for your model, etc:
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Bosch_EA_error_code_troubleshooting.pdf
http://waterheatertimer.org/pdf/Bosch-GWH2400ES-error-codes.pdf
http://waterheatertimer.org/pdf/Bosch_A4-E4_error_code_troubleshooting.pdf

Error code AE is not shown, but error EA means "burner flame not recognized by control unit when water is flowing"

There is also error A3 and A3 E3: jumper connection is not correct

Sep 26, 2011 | Bosch & Tankless LP Hot Water Heater

1 Answer

I have a Bosch Tankless Water HEater Model GWH 2700 ES NG with an error code of A3. I was told to push reset and the problem would be resolved. This worked several times and now it doesn't work. ...


Yes. Contact Bosch.
Error codes are considered start-point for troubleshoot.
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html

Tankless are complex electronic machines.
If on-site plumbers cannot figure out problem, then you need trained service technician with a service manual for your specific product, who can ohm-test the electronics.
Bosch will have a list of trained service technicians. And maybe Bosch has another step for fixing problem yourself.

Fix most tankless problems yourself, same day, for $330.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Aug 14, 2011 | Bosch AquaStar 2400ES-NG

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

Pilot light works but no flame. Somehow, think it overheated due to stoppage of water flow at sink.


Before calling service technician, open following links for Bosch troubleshooting resources:
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html
Resources at Bosch
http://www.boschhotwater.com/HelpfulResources/TechnicalSupport/BoschAquaStarModels/tabid/370/Default.aspx
Typical Bosch Aquastar manual:
http://waterheatertimer.org/pdf/Bosch-aquastar-170vp-manual.pdf

All tankless and tank-type gas water heaters require regular cleaning and maintenance.
It is unknown if your unit needs maintenance or repair parts, but catching up on maintenance using information from manual is good place to start.
Gas appliances are increasingly complicated and experienced technician is good resource to have in local area before installing tankless.

Apr 16, 2011 | Bosch AQ125BO LP AquaStar 4.3 GPM Outdoor...

1 Answer

What is the difference between Bosch GL4 Ariston and Bosch GL4Ti Pro Ariston?


The difference between the Bosch GL4 and GL4Ti is the GL4Ti has a glass lined tank with titanium inside and an 8 year warranty. The GL4 has a glass lined stainless steel tank and a 6 year warranty.

Sep 02, 2009 | Bosch GL4Ti Ariston Pro Ti Electric...

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