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Whirlpool
Wall Oven/Microwave Combo

Model # RM278PXP0 Official Whirlpool electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool RM278PXP0 electric built-in oven with microwave, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 311 parts  |
Light Bulb 311255
Light bulb

Part #311255

Replaced by #40A15

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Manufacturer substitution
This part replaces 311255. Substitute parts can look different from the original.
BEST SELLER
$13.23 | 
13% OFF Phone Price : $15.23
In Stock
Seal 311956
#24

Magnetron and airflow diagram

Seal

Part #311956

Replaced by #WP339956

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Manufacturer substitution
This part replaces 311956. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$7.09 | 
12% OFF Phone Price : $8.09
In Stock
Appliance Touch-up Paint 72017

#NI

All parts diagram

Appliance touch-up paint

Part #72017

Replaced by #72017

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Manufacturer substitution
This part replaces 72017. Substitute parts can look different from the original.
BEST SELLER
$8.29 | 
11% OFF Phone Price : $9.29
In Stock
Magnetron 660595
#26

Magnetron and airflow diagram

Magnetron

Part #660595

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

Touchup Al 72107

#NI

All parts diagram

Touchup al

Part #72107

Replaced by #WB32X106

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Manufacturer substitution
This part replaces 72107. Substitute parts can look different from the original.
BEST SELLER
$15.05 | 
12% OFF Phone Price : $17.05
In Stock
Touch-up Paint (black) 72032

#NI

All parts diagram

Touch-up paint (black)

Part #72032

Replaced by #72032

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Manufacturer substitution
This part replaces 72032. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.02 | 
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Fuse 309796
#22

Magnetron and airflow diagram

Fuse

Part #309796

Replaced by #WPW10017410

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Manufacturer substitution
This part replaces 309796. Substitute parts can look different from the original.
This item is not returnable
$11.89 | 
14% OFF Phone Price : $13.89
In Stock
Screw 338156
#32A

Cabinet and airflow diagram

Screw

Part #338156

Replaced by #WP488627

?
Manufacturer substitution
This part replaces 338156. Substitute parts can look different from the original.
This item is not returnable
$7.49 | 
12% OFF Phone Price : $8.49
In Stock
Insulation 240132

#NI

All parts diagram

Insulation

Part #240132

Replaced by #WPW10208653

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Manufacturer substitution
This part replaces 240132. Substitute parts can look different from the original.
$37.65 | 
14% OFF Phone Price : $43.65
In Stock
Insulation 261514

#NI

All parts diagram

Insulation

Part #261514

Replaced by #WPW10208653

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Manufacturer substitution
This part replaces 261514. Substitute parts can look different from the original.
$37.65 | 
14% OFF Phone Price : $43.65
In Stock

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