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Bosch aquastar a125b piezo wiring diagram

One side of Piezo wireing goes to Igniter but i don't know where the other lead goes.

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  • mike misko
    mike misko Mar 19, 2014

    That is to say the push button striker has two leads, the positive goes to the igniter ,the negative is loose and not attached with no connector of any kind on the end. Can anyone tell me where it should be attached?

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  • Water Heaters Master
  • 5,089 Answers

Piezo igniter only needs 1 wire to cause spark.
The other wire might connect to electronic gas control to report error, but brand type and age of product is not described in question.
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent

Gene h

Posted on Mar 19, 2014

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Posted on Jan 02, 2017

motor1258
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SOURCE: Dsi flt after trying to fire 3 times piezo works

Try removing the safety cut out (looks like a resistor in a plastic sleeve going to thermostat terminal) . Just disconnect it at both ends and connect the female spade from power wire directly to thermostat male terminal where the cut out was connected and try it. If it works, replace it when you get a chance. That protects system in case of flame jumping up in that area due to problems or spider webs etc. Once it's been tripped, it's no good. If that's not the problem, try cleaning your ends of your electrode, and make sure they are in front of flame when burner ignites, as it also act as a flame sensor. Let me know how you make out.

Posted on Jun 21, 2010

  • 67 Answers

SOURCE: Why won't my pilot light? It has been connected

There could be air in the gas line..just follow the instruction on the unit these unit always never give any trouble to ignite.. if you still having problem get a qualified technician to light it..

Posted on Aug 12, 2010

  • 122 Answers

SOURCE: The piezo igniter clicks but the pilot will not

are you getting spark out of it? when you click it can you see a small electric spark? if you see it spark, then the thermocouple will probably need replacing

Posted on Aug 12, 2010

Dplumber
  • 119 Answers

SOURCE: The Piezo Ignition switch has

Yes, but it is not recommended under any circumstance. Rheem

Posted on Nov 07, 2010

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.
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.

Posted on Mar 05, 2011

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