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Whirlpool
Wall Oven/Microwave Combo

Model # RM278BXP0 Official Whirlpool 30" electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool RM278BXP0 30" 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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Installation guide
Owner’s manual

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

?
Manufacturer substitution
This part replaces 311255. Substitute parts can look different from the original.
BEST SELLER
$15.16 | 
12% OFF Phone Price : $17.16
In Stock
Range Bake Element 308180
#26

Oven diagram

Range bake element

Part #308180

Replaced by #WP308180

?
Manufacturer substitution
This part replaces 308180. Substitute parts can look different from the original.
BEST SELLER
$41.44 | 
13% OFF Phone Price : $47.44
In Stock
Seal 311956
#24

Magnetron and airflow diagram

Seal

Part #311956

Replaced by #WP339956

?
Manufacturer substitution
This part replaces 311956. Substitute parts can look different from the original.
BEST SELLER
$7.20 | 
12% OFF Phone Price : $8.20
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

Spray W 799343

#NI

All parts diagram

Spray w

Part #799343

Replaced by #350930

?
Manufacturer substitution
This part replaces 799343. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$15.69 | 
11% OFF Phone Price : $17.69
In Stock
Screw 253549
Screw

Part #253549

Replaced by #WP308685

?
Manufacturer substitution
This part replaces 253549. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.37 | 
19% OFF Phone Price : $5.37
In Stock
Touchup Al 72107

#NI

All parts diagram

Touchup al

Part #72107

Replaced by #WB32X106

?
Manufacturer substitution
This part replaces 72107. Substitute parts can look different from the original.
BEST SELLER
$13.87 | 
13% OFF Phone Price : $15.87
In Stock
Screw 690989
Screw

Part #690989

Replaced by #WP681414

?
Manufacturer substitution
This part replaces 690989. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.39 | 
19% OFF Phone Price : $5.39
In Stock
Adhesive 482338

#NI

All parts diagram

Adhesive

Part #482338

Replaced by #WP482338

?
Manufacturer substitution
This part replaces 482338. Substitute parts can look different from the original.
$31.27 | 
16% OFF Phone Price : $37.27
In Stock
Range Broil Element 660579
#27

Oven diagram

Range broil element

Part #660579

Replaced by #WP660579

?
Manufacturer substitution
This part replaces 660579. Substitute parts can look different from the original.
$67.38 | 
8% OFF Phone Price : $73.38
In Stock

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