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Bosch
Electric Wall Oven

Model # HBN742AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN742AUC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 27 parts  |
Screw 420249
#420249

Upper internal panel diagram

Screw

Part #420249

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

Mounting 420237
#420237

Upper internal panel diagram

Mounting

Part #420237

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

Nut 420252
#420252

Door diagram

Nut

Part #420252

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

Element 420224
#420224

Cavity diagram

Element

Part #420224

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

Range High-limit Thermostat 420235
#420235

Upper internal panel diagram

Range high-limit thermostat

Part #420235

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

Slide 435607
#435607

Upper internal panel diagram

Slide

Part #435607

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

Oven Frying Pan 470695
#470695

Body diagram

Oven frying pan

Part #470695

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

Filter 418431
#418431

Cavity diagram

Filter

Part #418431

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

Handle 421499
#421499

Body diagram

Handle

Part #421499

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

Spacer 489267
#489267

Cavity diagram

Spacer

Part #489267

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

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

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Why won't my wall oven heat?

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con…

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Why won't my wall oven broil?

Main causes: broken broil element, faulty broil burner igniter, control system failure…

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Why doesn't my wall oven work?

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat…

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Why isn't my wall oven at the temperature I set?

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element…

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Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure…

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Most common repair guides to help fix your wall oven

These step-by-step repair guides will help you safely fix what’s broken on your wall oven.

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How to replace the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven control thermostat

How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the…

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Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your wall oven

Use the advice and tips in these articles and videos to get the most out of your wall oven.

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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