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Whirlpool
Electric Range

Model # RM778PXT1 Official Whirlpool electric range

Here are the diagrams and repair parts for Official Whirlpool RM778PXT1 electric range, 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.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 199 parts  |
Cooking Appliance 14-gauge Splicing Wire, 200-degree C (red) 242831

#NI

All parts diagram

Cooking appliance 14-gauge splicing wire, 200-degree c (red)

Part #242831

$318.95
In Stock
Channel 816375
#6

Microwave mounting diagram

Channel

Part #816375

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

Screw 816306
#11B

Control panel and latch, door diagram

Screw

Part #816306

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

Switch 816321
#8

Lower oven diagram

Switch

Part #816321

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

Shelf Trim 313615
#2

Cabinet and hinge diagram

Shelf trim

Part #313615

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

Frame 816386
#26

Lower oven diagram

Frame

Part #816386

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

Blower Wheel 3147223
#43

Magnetron and airflow diagram

Blower wheel

Part #3147223

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

Voltage Wire 3147863
#46

Magnetron and airflow diagram

Voltage wire

Part #3147863

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

Catch Switch 311795
#2

Door and latch diagram

Catch switch

Part #311795

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

Wire (orange) 242824

#NI

All parts diagram

Wire (orange)

Part #242824

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

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

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Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

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Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

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Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

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How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

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Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

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Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

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Most common repair guides to help fix your ranges

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

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How to replace a range oven door switch

How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range oven door lock assembly

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your ranges

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

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How to clean and maintain your stove

How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

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

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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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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