Question about Bosch Water Heaters
It could be the thermostat sensor They usually have a carbon buildup. They are easy to install and not that expensive. Good luck
Posted on Mar 26, 2019
How do i replace the thermocouple? I cant get it out
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SOURCE: Bosch Aquastar tankless water heater model
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?
Posted on Oct 10, 2009
SOURCE: roblem with the Bosch 1600H-NG
Problem could be air supply, gas supply, venting, part failure or combination of listed things.
Best place to start is manual.
http://www.boschhotwater.com/BoschModel1600H/FeaturesandSpecs/tabid/1024/Default.aspx
Typical 1600 manual shows troubleshoot starting page 19
http://www.boschhotwater.com/Portals/7/TechManuals/1600H_English_0606.pdf
Bosch has online tech support form:
http://forms.boschhotwater.com/Home/BoschTechSupportForm/tabid/614/Default.aspx
BOSCH error codes:
http://www.boschhotwater.com/HelpfulResources/TechnicalSupport/BoschAquaStarModels/2400ESTechSupport/Troubleshooting/tabid/1295/Default.aspx
Add a comment for more free help.
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Posted on Mar 05, 2011
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