Amana
Room Air Conditioner

Model # 100A-3N Official Amana room air conditioner

Here are the diagrams and repair parts for Official Amana 100A-3N 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  |

Mtg. Strap & Rod Assembly (r.h. Viewing From Condenser E C4245502
#21A

(100lc-2n) diagram

Mtg. strap & rod assembly (r.h. viewing from condenser e

Part #C4245502

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

Header Plate B4140302
Header plate

Part #B4140302

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

Plastic Sealer, 1/10 Lb. A0288101
Plastic sealer, 1/10 lb.

Part #A0288101

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

Spring A4073901

#NI

All parts diagram

Spring

Part #A4073901

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

Gasket, Cabinet Sides B4144603
#5

(100lc-2n) diagram

Gasket, cabinet sides

Part #B4144603

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

Compressor Wiring Harness C4240801

#NI

All parts diagram

Compressor wiring harness

Part #C4240801

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

Machine Screw (1/4 - 20 X 1/2") A0272801
Machine screw (1/4 - 20 x 1/2")

Part #A0272801

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

Window Board A4076402
#9C

Installation parts (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- diagram

Window board

Part #A4076402

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

Eyelet, Gasket Mtg. Exhaust Damper A4009601
Eyelet, gasket mtg. exhaust damper

Part #A4009601

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

Mtg. Strap & Rod Assembly (l.h. Viewing From Condenser E C4245501
#21A

(100lc-2n) diagram

Mtg. strap & rod assembly (l.h. viewing from condenser e

Part #C4245501

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.…