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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 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

Main Burner Orifice (drill #41) - 25,000 Input Per Burne 22-1688
Main burner orifice (drill #41) - 25,000 input per burne

Part #22-1688

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

Furnace Blower Wheel 20-5045
#5

(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 wheel

Part #20-5045

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

Draft Hood Assembly 975-0205
#50B

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

Draft hood assembly

Part #975-0205

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

Vestibule Access Door Assembly 250-2750
#35A

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

Vestibule access door assembly

Part #250-2750

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

Furnace Blower Motor 20-9151
Furnace blower motor

Part #20-9151

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

Motor Pulley 20-1520
#14B

(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 pulley

Part #20-1520

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

Flue Restrictor Plate 975-1095
#39D

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

Flue restrictor plate

Part #975-1095

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

Burner Tube Spacer 975-1048
#40E

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

Burner tube spacer

Part #975-1048

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

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