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GE
Wall Oven/Microwave Combo

Model # JT3800DH1BB Official GE electric oven

Here are the diagrams and repair parts for Official GE JT3800DH1BB electric oven, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 153 parts  |
Microwave Fuse WB27X10388
#5001

Insulator parts diagram

Microwave fuse

Part #WB27X10388

Replaced by #WB27X10928

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Manufacturer substitution
This part replaces WB27X10388. Substitute parts can look different from the original.
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$9.73 | 
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Microwave Magnetron WB27X10305
#5009

Insulator parts diagram

Microwave magnetron

Part #WB27X10305

The manufacturer no longer makes this part, and there's no substitute part

Drive Capacitor WB27X10701
#5000

Insulator parts diagram

Drive capacitor

Part #WB27X10701

Replaced by #WB27X11033

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Manufacturer substitution
This part replaces WB27X10701. Substitute parts can look different from the original.
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$41.91 | 
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Wall Oven Cooling Fan Sensor Board WB27T11463
#599

Pedestal diagram

Wall oven cooling fan sensor board

Part #WB27T11463

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Microwave Door Interlock Switch WB24X817
#4003

Insulator parts diagram

Microwave door interlock switch

Part #WB24X817

Replaced by #WB24X25397

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Manufacturer substitution
This part replaces WB24X817. Substitute parts can look different from the original.
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$22.56 | 
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Microwave High-voltage Diode (replaces Wb18x10286, Wb27x1033, Wb27x10330) WB27X10037
#5018

Insulator parts diagram

Microwave high-voltage diode (replaces wb18x10286, wb27x1033, wb27x10330)

Part #WB27X10037

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Microwave Thermostat WB20X10048
#5023

Insulator parts diagram

Microwave thermostat

Part #WB20X10048

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Latch Assembly WB10X21642
#150

Pedestal diagram

Latch assembly

Part #WB10X21642

Replaced by #WB10X28391

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Manufacturer substitution
This part replaces WB10X21642. Substitute parts can look different from the original.
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Wall Oven Bake Element WB44X21667
#251

Body parts diagram

Wall oven bake element

Part #WB44X21667

$77.05 | 
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Microwave High-voltage Transformer (replaces Wb17x10020) WB17X10030
#5008

Insulator parts diagram

Microwave high-voltage transformer (replaces wb17x10020)

Part #WB17X10030

$161.43 | 
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