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Customer Questions and Answers for Ignitor, Hot Surface by Bosch

    • Part Number: AP2837270
    • MFG Part Number: 00487542
    • Made by: Bosch
    • Not Available

Questions & Answers

For Bosch Ignitor, Hot Surface (Part Number: AP2837270)

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I purchased an igniter that's rated for 3.3 to 3.6 amp as I believe the original part was for the grill. The schematic indicates that power runs through the burner switch and then through the valve safety switch. It appears that there is no power through the valve safety switch to the igniter, which would lead me to believe that there is a problem with that part. I don't know how that parts works and would like a little information. Why is the igniter for this model $180.00? Isn't the only requirement the voltage and amperage? Thanks, Aaron

Non W. for Model Number Thermador GPS484GGS

ANSWER Hello Non, The ignitor has to pull 3.2 to 3.6 amps in order to build a strong enough electromagnetic field in the safety valves' coils to open it. With too little current flow, the magnetic field generated is insufficient to open the valve. This can be caused by either an ignitor that is breaking down or a failing safety valve. You should check the voltage applied to the safety valve with the unit turned on. If 120Vac is present, the current flow should be measured. Either part, (safety valve or the ignitor), can be breaking down in resistance under a load, causing the issue. The most common failure is, of course, the ignitor, since it does endure high temperatures during 100% of the time the burner is on. 

Answered by AppliancePartsPros.com   |   Tuesday, April 02, 2013

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