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Amana
Furnace

Model # SU-125A3 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-125A3 gas-fired upflow furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 197 parts  |
Blower Assembly (w/motor) 980-0187
#1B

(su-125ah) (su-125a3) (su-125a4) (su-125bh) (su-125b3) (su-125b4) (su-150ah) (su-150a3) (su-150a4) (su-150bh) (su-150b4) (su-150b5) (su-175bh) (su-175b4) (su-175b5) (su-200bh) (su-200b5) (su-200b6) diagram

Blower assembly (w/motor)

Part #980-0187

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

Blower Access Door Assembly 253-2450
#36D

(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram

Blower access door assembly

Part #253-2450

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

Furnace Blower Housing 980-1255
#3B

(su-125ah) (su-125a3) (su-125a4) (su-125bh) (su-125b3) (su-125b4) (su-150ah) (su-150a3) (su-150a4) (su-150bh) (su-150b4) (su-150b5) (su-175bh) (su-175b4) (su-175b5) (su-200bh) (su-200b5) (su-200b6) diagram

Furnace blower housing

Part #980-1255

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

Blower Base Seal Strip And Baffle 252-6029
#46C

(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram

Blower base seal strip and baffle

Part #252-6029

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

Plastic Washer 20-5015
#10

(su-125ah) (su-125a3) (su-125a4) (su-125bh) (su-125b3) (su-125b4) (su-150ah) (su-150a3) (su-150a4) (su-150bh) (su-150b4) (su-150b5) (su-175bh) (su-175b4) (su-175b5) (su-200bh) (su-200b5) (su-200b6) diagram

Plastic washer

Part #20-5015

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

Furnace Blower Belt, 37-in 20-2037
#16B

(su-125ah) (su-125a3) (su-125a4) (su-125bh) (su-125b3) (su-125b4) (su-150ah) (su-150a3) (su-150a4) (su-150bh) (su-150b4) (su-150b5) (su-175bh) (su-175b4) (su-175b5) (su-200bh) (su-200b5) (su-200b6) diagram

Furnace blower belt, 37-in

Part #20-2037

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

Motor Direct Drive 20-9158
#13C

(su-125ah) (su-125a3) (su-125a4) (su-125bh) (su-125b3) (su-125b4) (su-150ah) (su-150a3) (su-150a4) (su-150bh) (su-150b4) (su-150b5) (su-175bh) (su-175b4) (su-175b5) (su-200bh) (su-200b5) (su-200b6) diagram

Motor direct drive

Part #20-9158

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

Universal Main Burners 910-0290
#51

(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram

Universal main burners

Part #910-0290

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

Burner Tube Spacer 975-1049
#40F

(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram

Burner tube spacer

Part #975-1049

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

Draft Hood Assembly 975-0200
#50A

(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram

Draft hood assembly

Part #975-0200

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

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