Carrier
Room Air Conditioner

Model # 51QFB212300 Official Carrier room air conditioner

Here are the diagrams and repair parts for Official Carrier 51QFB212300 room air conditioner, 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 106 parts  |

Switch HH19ZA120

#30A

All parts diagram

Switch

Part #HH19ZA120

In Stock
Limit Switch HH19ZA140
Limit switch

Part #HH19ZA140

In Stock
Switch HH12ZA167

#31

All parts diagram

Switch

Part #HH12ZA167

In Stock
Knob Assembly 51HK403873

#25

All parts diagram

Knob assembly

Part #51HK403873

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

Evaporator Coil 51QF401951

#51

All parts diagram

Evaporator coil

Part #51QF401951

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

Bolt (3) AH01AM204

#15B

All parts diagram

Bolt (3)

Part #AH01AM204

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

Air Conditioner Blower Wheel LA21JB089

#39A

All parts diagram

Air conditioner blower wheel

Part #LA21JB089

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

Thermo Tube 51RQ500001

#34

All parts diagram

Thermo tube

Part #51RQ500001

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

Condenser Coil 51QF401981
Condenser coil

Part #51QF401981

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

Push Button Switch HR54AL294

#20

All parts diagram

Push button switch

Part #HR54AL294

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

Most common symptoms to help you fix your room air conditioners

Most common repair guides to help fix your room air conditioners

Effective articles & videos to help repair your room air conditioners

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Keeping your smart appliances secure from hackers

Keeping your smart appliances secure from hackers

Find out how to protect your smart appliances from malevolent invasions by hackers.…