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Amana
Furnace

Model # SU-125B3 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-125B3 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  |
Mainfold Assembly (less Controls) 985-1153
#41A

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

Mainfold assembly (less controls)

Part #985-1153

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

Blower Base Assembly - 10-10d 253-4853
#48H

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

Blower base assembly - 10-10d

Part #253-4853

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

Down Draft Deflector Assembly 253-6000
#38D

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

Down draft deflector assembly

Part #253-6000

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

Blower Assembly (w/motor) 980-0236
#1F

(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 #980-0236

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

Top Front Panel Assembly 254-1100
#29E

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

Top front panel assembly

Part #254-1100

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

Capacitor - Motor 4m Fd-370v 22-9627
#21A

(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

Capacitor - motor 4m fd-370v

Part #22-9627

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

Heat-cool Relay 22-9644
Heat-cool relay

Part #22-9644

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

Flue Restrictor Plate 975-1092
#39C

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

Flue restrictor plate

Part #975-1092

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

Plastic Washers (2 Req.) 20-5957
#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 washers (2 req.)

Part #20-5957

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

Blower Assembly (w/motot) 980-0779
#1E

(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/motot)

Part #980-0779

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

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