Question about Bosch Water Heaters

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I have a Bosch Tankless Water Heater Model WR 400-1 KV1 P32 S3100. The water valve has cracked and I need to know where to get a replacement. Thanks

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My Bosch hot water on demand wouldn't light & I changed the regulator and still nothing , it will spark but not light ?

Posted on Jul 23, 2016

Before calling service technician, open following link for Bosch troubleshooting resources including parts, contact, possible manual, possible service bulletin covering replacement:
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Posted on May 24, 2011

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Posted on Jan 02, 2017

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How to light the pilot light in a bosch aquastar 125 fx ng tankless water heater


I have the same machine first they said replace the micro switch i did then rebuild the water valve did not enough gas presure had it checked revented the unit the unit is brandnew relubed the water valve idk

May 11, 2014 | Bosch AquaStar 125FXKIT-NG 125FX Natural...

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Where can I download a Boschw14 b31 gas Heater Manual


Is this a water heater? Bosch site might have manual. And service bulletins, but I have not heard of that model.
http://www.bosch-climate.us/Bosch-Hot-Water/
Call local service technician who is qualified to work on tankless computer that heats water.
You can fix any brand tankless computer, any problem, same day, yourself by replacing 1 part: the whole thing:
http://waterheatertimer.org/How-to-install-gas-water-heater.html
Gene
l

Aug 05, 2013 | Bosch ProTankless GWH 715 ES LP Tankless...

1 Answer

New gas bottles installed but hot water not working


You posted under Bosch tankless water heater.
The suspect is probably gas supply, gas valve, or gas related part inside tankless unit.

Before calling service technician, open following link for Bosch tankless troubleshooting resources, including Bosch contact information, typical manuals, error codes, tech support, parts, fuel-saver calculator, service bulletins, water heater forum, fixya links, disclaimers, and links for finding service technician.
http://waterheatertimer.org/Troubleshoot-Bosch-Tankless-water-heater.html

Read manual cover to cover, make sure tankless receives yearly maintenance as outline in manual.

Add a comment with your experience so others with same-similar problem can benefit.

Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Apr 02, 2011 | Bosch & Tankless Water Heater

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Where do I find model number or serial number?I turned off main water valve to replace a leaking pipe and now I can't turn on the water heater. How do I do it?


1) You posted under Bosch tankless water heater.
There should be a nameplate on front of unit or located where you can see it.
http://www.boschhotwater.com/HelpfulResources/TechnicalSupport/BoschAquaStarModels/2400ESTechSupport/Troubleshooting/tabid/1295/Default.aspx

Bosch problems at Fixya:
http://www.fixya.com/support/p949576-bosch_1600h_lp_liquid_propane_aquastar_a/solutions

Bosch has online tech support form:
http://forms.boschhotwater.com/Home/BoschTechSupportForm/tabid/614/Default.aspx

2) Replacing water valve probably loosened build-up inside pipe that lodged in water heater or inside elbow just beneath tankless unit.
If water flow is stopped or slowed, tankless will not operate.

3) Remove pipes and see if clog can be flushed.

4) Also U-tupe search "delime tankless water heater" and technique used for deliming will be good way to clear out tankless clog and sediment.
Your tankless should be delimed each year anyway.

5) Read your manual cover to cover, and see words 'troubleshoot' and 'maintenance' are used throughout manual. Get acquainted with your water heater and manual, because tankless are maintenance heavy, especially if conditions are not optimal and as unit ages.

6) All costs are energy. Install tank type water heater for ez do-it-yourself repairs and maintenance.
Tank type work under all types of adverse conditions and water pressures and water conditions, and even withstand sediment build-up for several years. Of course tank-type pipes can clog too.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Mar 08, 2011 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

One of the copper pipes craked on my Bosch tankless water heater....how can I fix this?


if its coil can get replacement by notifying bosch --u also can solder or braze the crack u can also try cold weld [j b weld ]

Jan 31, 2010 | Bosch AquaStar Indoor Natural Gas Tankless...

1 Answer

Bosch Aquastar tankless water heater model 1600P Pilot is lit but main burner will not lite. replace water valve that controls ignition.


There should be a thermocoupler, it is that bulb that sits in the pilot flame. If it is not functioning properly the main gas valve will not open.. Hmmm, Is the main valve in the on position?

Oct 10, 2009 | Bosch AquaStar 1600P-LP 1600P Liquid...

2 Answers

Bosch 125 Tankless Water Heater - Water not hot enough


sounds like your mixing valve or tempering valve not unit.Somewhere there is a unit that prevents scalding temperatures- I expect this is your issue find and adjust this first- there are directions on it when you find it.

Nov 30, 2008 | Bosch AquaStar Indoor Natural Gas Tankless...

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