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  |

Furnace Blower Belt, 37-in 20-2037
#16B

(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 belt, 37-in

Part #20-2037

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

Rear Panel Assembly 252-7000
#33C

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

Rear panel assembly

Part #252-7000

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

Blower Base Assembly - 10-10d 252-4853
#48G

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

Blower base assembly - 10-10d

Part #252-4853

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

Vestibule Panel Assembly 250-5000
#34A

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

Vestibule panel assembly

Part #250-5000

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

Motor Mount Assembly 980-1180
Motor mount assembly

Part #980-1180

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

Left Side Panel Assembly 253-3000
#32C

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

Left side panel assembly

Part #253-3000

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

Blower Pulley 6 X 3/4 20-1542
#15B

(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 pulley 6 x 3/4

Part #20-1542

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

Heating Element Assembly 905-0107
#47B

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

Heating element assembly

Part #905-0107

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

Blower Motor W/48 Frame 1/4 H.p. 316p010 20-9120
Blower motor w/48 frame 1/4 h.p. 316p010

Part #20-9120

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

Flue Outlet Pouch Gasket 22-2371
#45F

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

Flue outlet pouch gasket

Part #22-2371

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

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