Whirlpool
Wall Oven/Microwave Combo

Model # RM278PXL2 Official Whirlpool electric built-in oven with microwave

Here are the diagrams and repair parts for Official Whirlpool RM278PXL2 electric built-in oven with microwave, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 336 parts  |

Seal 311956
#24

Magnetron and air flow 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 311993
#26B

Magnetron and air flow diagram

Magnetron

Part #311993

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

Magnetron 311994
#26C

Magnetron and air flow diagram

Magnetron

Part #311994

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

Magnetron 311992
#26A

Magnetron and air flow diagram

Magnetron

Part #311992

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

Appliance Touch-up Paint 72017

#NI

All parts diagram

Appliance touch-up paint

Part #72017

Replaced by #72017

?
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
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
Touch-up Paint (black) 72032

#NI

All parts diagram

Touch-up paint (black)

Part #72032

Replaced by #72032

?
Manufacturer substitution
This part replaces 72032. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.02
10% OFF Phone Price : $10.02
In Stock
Line Fuse 312801
#22

Magnetron and air flow diagram

Line fuse

Part #312801

Replaced by #WPW10017410

?
Manufacturer substitution
This part replaces 312801. Substitute parts can look different from the original.
This item is not returnable
$11.89
14% OFF Phone Price : $13.89
In Stock
Unit 311714
#27A

Oven diagram

Unit

Part #311714

Replaced by #WP660579

?
Manufacturer substitution
This part replaces 311714. Substitute parts can look different from the original.
$67.38
8% OFF Phone Price : $73.38
In Stock
Unit 311713
#27B

Oven diagram

Unit

Part #311713

Replaced by #WP660579

?
Manufacturer substitution
This part replaces 311713. Substitute parts can look different from the original.
$67.38
8% OFF Phone Price : $73.38
In Stock

Symptoms for electric ranges

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Repair difficulty
Time required
 45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Repair difficulty
Time required
 15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for electric ranges

How is cooking on an electric range different than cooking on a gas stove?

How is cooking on an electric range different than cooking on a gas stove?

Learn about the differences between cooking on gas and electric stoves.…

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.…

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.…