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Amana
Furnace

Model # SU-125A4 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-125A4 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  |
Furnace Blower Belt, 43-in 20-2043
#16A

(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, 43-in

Part #20-2043

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

Vestibule Panel Assembly 251-5000
#34B

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

Vestibule panel assembly

Part #251-5000

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

Air Filter - 20 X 25 X 1 - Hi-velocity (1 Per) 22-1144
#26

(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

Air filter - 20 x 25 x 1 - hi-velocity (1 per)

Part #22-1144

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

Pressure Regulator Cover Plate (ab390081a) 75,000-150,00 21-0597
Pressure regulator cover plate (ab390081a) 75,000-150,00

Part #21-0597

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

Blower Base Seal Strip And Baffle 254-6029
#46E

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

Blower base seal strip and baffle

Part #254-6029

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

Blower Assembly (less Motor - Belt - Drives) 980-1200
#2

(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 (less motor - belt - drives)

Part #980-1200

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

Motor Bracket - Support 980-1245
Motor bracket - support

Part #980-1245

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

Blower Assembly (w/motor) 980-0272
#1C

(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 #980-0272

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

Flue Restrictor Plate 975-1096
#39E

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

Flue restrictor plate

Part #975-1096

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

Top Front Panel Assembly 253-1100
#29D

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

Top front panel assembly

Part #253-1100

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

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