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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  |
Air Filter - 16 X 25 X 1 - Hi - Velocity 22-1134
#26B

(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

Air filter - 16 x 25 x 1 - hi - velocity

Part #22-1134

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

Blower Base Assembly - 10-10 252-4856
#48I

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

Blower base assembly - 10-10

Part #252-4856

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

Mainfold Assembly (less Controls) 985-1173
#41C

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

Mainfold assembly (less controls)

Part #985-1173

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

Vestibule Access Door Assembly 252-2750
#35C

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

Vestibule access door assembly

Part #252-2750

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

Motor Direct Drive 20-9137
#13B

(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 direct drive

Part #20-9137

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

Blower Base Seal Strip And Baffle 250-6029
#46A

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

Blower base seal strip and baffle

Part #250-6029

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

Blower Base Seal Strip And Baffle 254-6029
#46E

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

Blower base seal strip and baffle

Part #254-6029

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

Thermocouple (m-h Q309a1020) Su-75 & Su-100 - Nat. And L 21-0016
Thermocouple (m-h q309a1020) su-75 & su-100 - nat. and l

Part #21-0016

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

Flue Outlet Pouch Gasket 22-2370
#45E

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

Flue outlet pouch gasket

Part #22-2370

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

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