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Model # SU-125B3 Official Amana gas-fired upflow furnace
Here are the diagrams and repair parts for Official Amana SU-125B3 gas-fired upflow furnace, as well as links to manuals and error code tables, if available.
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SU-125B3 Gas-Fired Upflow Furnace
#1B
(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 #980-0271
The manufacturer no longer makes this part, and there's no substitute part
#50E
(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram
Draft hood assembly
Part #975-0218
The manufacturer no longer makes this part, and there's no substitute part
#34C
(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram
Vestibule panel assembly
Part #252-5000
The manufacturer no longer makes this part, and there's no substitute part
#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
#36E
(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram
Blower access door assembly
Part #254-2450
The manufacturer no longer makes this part, and there's no substitute part
#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
#45A
(su-75) (su-100) (su-125) (su-150) (su-175) (su-200) diagram
Flue outlet pouch gasket
Part #22-2366
The manufacturer no longer makes this part, and there's no substitute part
Blower cutoff
Part #980-1230
The manufacturer no longer makes this part, and there's no substitute part
#3B
(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 housing
Part #980-1255
The manufacturer no longer makes this part, and there's no substitute part
#13C
(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 #20-9158
The manufacturer no longer makes this part, and there's no substitute part
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