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Amana
Heating & Cooling Combined Unit

Model # AC100H3 Official Amana heating & cooling

Here are the diagrams and repair parts for Official Amana AC100H3 heating & cooling, 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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Showing 10 of 374 parts  |
Lighting And Rating FPC-24742-1
Lighting and rating

Part #FPC-24742-1

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

Vent Pipe Collar Assembly FPCFA-192
#22

(c-80-aca) diagram

Vent pipe collar assembly

Part #FPCFA-192

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

Lighting And Rating Plate FPC24742-1
#42

(apac-140) diagram

Lighting and rating plate

Part #FPC24742-1

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

Heat Exchanger Assembly FC8536
Heat exchanger assembly

Part #FC8536

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

Pilot Burner, 1/4 C.c. Baso R38-3 FCV615

#NI

All parts diagram

Pilot burner, 1/4 c.c. baso r38-3

Part #FCV615

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

Decal, Blower Scroll FPYG-35
#42

(c-80-aca) diagram

Decal, blower scroll

Part #FPYG-35

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

Pulley , Motor, 5/8" X 3 1/4", Adjustable FP1076
Pulley , motor, 5/8" x 3 1/4", adjustable

Part #FP1076

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

Strain Relief Adapter, Nickel Plated FCL073

#NI

All parts diagram

Strain relief adapter, nickel plated

Part #FCL073

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

Shaft FP10175
Shaft

Part #FP10175

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

1/4" - 20 X 1/2" Hex. Hd. Self Tapping Screw FP1033

#NI

All parts diagram

1/4" - 20 x 1/2" hex. hd. self tapping screw

Part #FP1033

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

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

View all

Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Read more

Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Read more

Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

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Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

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Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

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Most common repair guides to help fix your heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

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How to unclog the air conditioner drain line

How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

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Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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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.…

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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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