Part Location Diagram of WB27X21012 GE DIODE HV Assembly
See part 1440 in the diagram
( Grid squares measure 1x1 inch )
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DIODE HV Assembly WB27X21012

Rated by 3 customers 

Really Easy 

30 - 60 mins 

Ratings submitted by customers like you who bought this part.

$ 40.16
  On Order
PartSelect Number PS8754690
Manufacturer Part Number WB27X21012
Manufactured by GE
Troubleshooting
This part works with the following products:
Microwave.
This part works with the following products:
General Electric.
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Customer Repair Stories
 Average Repair Rating: 3.7 / 5.0, 3 reviews. What's this?
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  • 1
Sorry, we couldn't find any existing installation instruction that matched.
Was not heating.
Changed the diode and viola!
  • JASON from MIDLOTHIAN, VA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    30 - 60 mins
  • Tools:
    Screw drivers
1 person found this instruction helpful.
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Microwave appears to operate but does not heat
I used this excellent guide to diagnose the problem: h You need a safety Torx bit to open the case, and carefully follow instructions to discharge the high voltage capacitor! Following the youtube instructions and a commenter's advice to use a 9V battery in series with the multimeter instead of the cumbersome 12 V car battery method, I found that the diode was defective (low resistance). This was easy to replace, but the microwave still did not heat. The diagnostics video cautioned that the tests used do not identify all bad magnetrons. The antenna on mine was discolored, so ordered a replacement, and this fixed the problem.
  • David from BETHESDA, MD
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Screw drivers, Socket set
1 person found this instruction helpful.
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Microwave started to make loud vibrating sound
Went on you tube step by step instructions.Tested to find Diode defective. replaced same
  • Thomas from PINEHURST, NC
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Screw drivers
2 of 2 people found this instruction helpful.
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  • 1
Questions and Answers

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1 question answered by our experts.
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Sorry, we couldn't find any existing answers that matched.Try using some different or simpler keywords, or submit your new question by using the "Ask a Question" button above!
Joe
May 7, 2019
Can i use a wb27x10930 with this model or do i have to get wb27x21012
For model number ZEB1226
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Hi Joe, thank you for your question. You have to use the part that the manufacturer directly listed underneath of your model number. Good luck with your repair.

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS8754690
Manufacturer Part Number: WB27X21012
Brand
Model Number
Description
General Electric
PEB7226DF1BB
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General Electric
PEB7226DF2BB
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PEB7226EH1ES
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General Electric
PEB7226EH2ES
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General Electric
PEB7226SF1SS
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General Electric
PEB7226SF2SS
Microwave - MICROWAVE
General Electric
ZEB1226SH1SS
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General Electric
ZEB1226SH2SS
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