Amana
Room Air Conditioner

Model # 100A-20 Official Amana room air conditioner

Here are the diagrams and repair parts for Official Amana 100A-20 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 364 parts  |

Clamp, Reversing, Valve Mounting A0375401
#92

(75la-2n) (100la-2n) (100a-2n) (100a-3n) (150a-2n) (150a-s3n) (150a-3n) (200a-3n) (100a-3hn) (150a-2hn) (150a-3hn) (200a-3hn) (75la-20) (100la-20) (100a-20) (100a-30) (150a-20) (150a-30) (200a-30) (150a-20h) (100a-30h) (150a-30h) (200a-30h) diagram

Clamp, reversing, valve mounting

Part #A0375401

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

Cradle, Mtg. Kit C4245601
#22

(100lc-2n) diagram

Cradle, mtg. kit

Part #C4245601

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

Spring, Compressor Terminal Enc. A4064401
Spring, compressor terminal enc.

Part #A4064401

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

Medallion, Model Identification B4168407
#21O

(75la-2n) (100la-2n) (100a-2n) (100a-3n) (150a-2n) (150a-s3n) (150a-3n) (200a-3n) (100a-3hn) (150a-2hn) (150a-3hn) (200a-3hn) (75la-20) (100la-20) (100a-20) (100a-30) (150a-20) (150a-30) (200a-30) (150a-20h) (100a-30h) (150a-30h) (200a-30h) diagram

Medallion, model identification

Part #B4168407

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

Clamp, Tube, Guide Tube To Bracket A4008401
Clamp, tube, guide tube to bracket

Part #A4008401

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

Discharge Line C4241903

#NI

All parts diagram

Discharge line

Part #C4241903

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

Gasket, (partition Plate & Blower Partition To O.c., Sea A4076001
Gasket, (partition plate & blower partition to o.c., sea

Part #A4076001

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

Sash Seal Strip (felt) A4003701
Sash seal strip (felt)

Part #A4003701

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

Insulating Paper A4082001

#NI

All parts diagram

Insulating paper

Part #A4082001

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

Nameplate B4115501
Nameplate

Part #B4115501

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

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.…