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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  |
Flue Outlet Pouch Gasket 22-2367
#45B

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

Flue outlet pouch gasket

Part #22-2367

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

Motor Capacitor, 5 Mfd - 440v 22-9603
#21B

(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 capacitor, 5 mfd - 440v

Part #22-9603

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

Blower Base Assembly - 9-9d 251-4851
#48E

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

Blower base assembly - 9-9d

Part #251-4851

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

Base Assembly 254-4000
#30E

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

Base assembly

Part #254-4000

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

Vestibule Access Door Assembly 254-2750
#35E

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

Vestibule access door assembly

Part #254-2750

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

Bearing Cups - 3/4" Lau #7667 20-5025
#8

(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

Bearing cups - 3/4" lau #7667

Part #20-5025

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

Blower Base Assembly - 10-8d 251-4852
#48C

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

Blower base assembly - 10-8d

Part #251-4852

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

Rear Panel Assembly 251-7000
#33B

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

Rear panel assembly

Part #251-7000

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

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