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Amana
Furnace

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

Here are the diagrams and repair parts for Official Amana SU-125BH 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  |
Base Assembly 251-4010
#30B

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

Base assembly

Part #251-4010

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

Plastic Washers (2 Req.) 20-5957
#10

(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

Plastic washers (2 req.)

Part #20-5957

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

Furnace Blower Shaft 20-5021
#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

Furnace blower shaft

Part #20-5021

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

Combination Gas Valve (m-h V8280a1039 - 1/2 X 3/4) 75,00 21-0572
Combination gas valve (m-h v8280a1039 - 1/2 x 3/4) 75,00

Part #21-0572

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

Pressure Regulator (v5107) 75,000-125,000 Input - Nat. G 21-0595
Pressure regulator (v5107) 75,000-125,000 input - nat. g

Part #21-0595

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

Blower Assembly (w/motor) 980-0196
#1C

(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/motor)

Part #980-0196

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

Motor Adjustable Tail Piece Assembly 980-1285
#17

(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 adjustable tail piece assembly

Part #980-1285

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

Blower Pulley 7 X 3/4 20-1560
Blower pulley 7 x 3/4

Part #20-1560

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

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