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Amana
Furnace

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

Here are the diagrams and repair parts for Official Amana SU-125 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  |
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

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

Blower Shaft (1 Req.) 20-4198
#6

(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 shaft (1 req.)

Part #20-4198

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

Down Draft Deflector Assembly 252-6000
#38C

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

Down draft deflector assembly

Part #252-6000

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

Thermocouple (m-h Q309a1046) Su-175 & Su-200 - Nat. And 21-0023
Thermocouple (m-h q309a1046) su-175 & su-200 - nat. and

Part #21-0023

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

Motor Mount Assembly 980-1180
Motor mount assembly

Part #980-1180

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

Blower Assembly (w/motot) 980-0730
#1D

(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 #980-0730

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

Blower Pulley 6 X 3/4 20-1542
#15B

(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 pulley 6 x 3/4

Part #20-1542

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

Blower Base Assembly - 12-12 253-4857
#48J

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

Blower base assembly - 12-12

Part #253-4857

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

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