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Amana
Furnace

Model # SU-175B4 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-175B4 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  |
Vestibule Panel Assembly 253-5000
#34D

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

Vestibule panel assembly

Part #253-5000

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

Flue Restrictor Plate 975-1097
#39F

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

Flue restrictor plate

Part #975-1097

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

Blower Base Assembly - 10-10d 252-4853
#48G

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

Blower base assembly - 10-10d

Part #252-4853

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

Down Draft Deflector Assembly 250-6000
#38A

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

Down draft deflector assembly

Part #250-6000

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

Heating Element Assembly 905-0207
#47C

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

Heating element assembly

Part #905-0207

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

Draft Hood Assembly 975-0208
#50C

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

Draft hood assembly

Part #975-0208

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

Manifold Assembly (less Control And Orifice) 985-1192
#41E

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

Manifold assembly (less control and orifice)

Part #985-1192

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

Thermostat 21-0332
#25B

(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

Thermostat

Part #21-0332

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

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