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Amana
Furnace

Model # SU-125B4 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-125B4 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  |
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

Rear Panel Assembly 254-7000
#33E

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

Rear panel assembly

Part #254-7000

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

Draft Hood Assembly 975-0213
#50D

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

Draft hood assembly

Part #975-0213

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

Down Draft Deflector Assembly 254-6000
#38E

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

Down draft deflector assembly

Part #254-6000

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

Blower Assembly (w/motor) 980-0186
#1A

(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 #980-0186

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

Pilot Burner Orifice (l010) - L.p. Gas Only 22-1766
Pilot burner orifice (l010) - l.p. gas only

Part #22-1766

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

A And B Valve Assembly (m-h C5296a) 21-0599
A and b valve assembly (m-h c5296a)

Part #21-0599

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

Combination Gas Valve (m-h V8280b1011 - 1/2 X 3/4) 75,00 21-0570
Combination gas valve (m-h v8280b1011 - 1/2 x 3/4) 75,00

Part #21-0570

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

Blower Cutoff 980-1330
#4B

(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 cutoff

Part #980-1330

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

Pressure Regulator Cover Plate (ab390081a) 75,000-150,00 21-0597
Pressure regulator cover plate (ab390081a) 75,000-150,00

Part #21-0597

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

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