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Amana
Furnace

Model # SU-125A4 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-125A4 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  |
Thermostat 21-0503
#25A

(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 #21-0503

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

Vestibule Panel Assembly 255-5000
#34F

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

Vestibule panel assembly

Part #255-5000

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

Blower Assembky (less Motor-drive-belt) 980-1206
#2

(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 assembky (less motor-drive-belt)

Part #980-1206

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

Pilot Burner W/orifice (m.h. Q308b1179) 21-0037
Pilot burner w/orifice (m.h. q308b1179)

Part #21-0037

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

Draft Hood Assembly 975-0223
#50F

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

Draft hood assembly

Part #975-0223

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

Fan And Limit Control 21-0386
#22B

(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

Fan and limit control

Part #21-0386

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

Main Burner Orifice (drill #53) - 25,000 Input Per Burne 22-1689
Main burner orifice (drill #53) - 25,000 input per burne

Part #22-1689

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

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

Pilot Line Filter (ab388150) 21-1004
Pilot line filter (ab388150)

Part #21-1004

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

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