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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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Model diagram and schematic

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ALL PARTS
Showing 10 of 374 parts  |
Pilot Orifice, Nut And Ferrule., 034m. Mfg. Gas For Use FCV989

#NI

All parts diagram

Pilot orifice, nut and ferrule., 034m. mfg. gas for use

Part #FCV989

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

#8 X 3/4" Hex. Washer Head Screw FP1071

#NI

All parts diagram

#8 x 3/4" hex. washer head screw

Part #FP1071

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

Flue Baffle Assembly FPYA-111

#NI

All parts diagram

Flue baffle assembly

Part #FPYA-111

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

Wiring Clip FCH250

#NI

All parts diagram

Wiring clip

Part #FCH250

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

#8 Lockwasher FP1027

#NI

All parts diagram

#8 lockwasher

Part #FP1027

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

Bracket Bearingg Support FP1055

#NI

All parts diagram

Bracket bearingg support

Part #FP1055

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

Burner, 3/64" Slotted Fort, Lp Gas FCG235
#10B

(ac80h3) (ac100h3) (ac100h5) (ac120h5) (ac80vc) diagram

Burner, 3/64" slotted fort, lp gas

Part #FCG235

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

Burner, 1/16" Slotted Port, Nat. Gas FCG239
#10F

(ac80h3) (ac100h3) (ac100h5) (ac120h5) (ac80vc) diagram

Burner, 1/16" slotted port, nat. gas

Part #FCG239

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

Wiring Harness FP5004
#48

(apac-80s) (apac-100s) (apac-120s) diagram

Wiring harness

Part #FP5004

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

Flue Baffle Assembly FPYA-318

#NI

All parts diagram

Flue baffle assembly

Part #FPYA-318

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.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Why isn’t my air conditioner cooling well?

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

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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…

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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.…

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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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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