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Amana
Furnace

Model # SU-75 Official Amana gas-fired upflow furnace

Here are the diagrams and repair parts for Official Amana SU-75 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 Wheel 20-5034
#5B

(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 wheel

Part #20-5034

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

Blower Base Assembly - Twin 10-8 254-4858
#48K

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

Blower base assembly - twin 10-8

Part #254-4858

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

Pilot Burner Orifice (m-h Nt-18) - Nat. Gas Only 22-1765
Pilot burner orifice (m-h nt-18) - nat. gas only

Part #22-1765

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

Power Head (m-h V8254a) For All Above Listed Valves Exce 21-0498
Power head (m-h v8254a) for all above listed valves exce

Part #21-0498

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

Blower Base Seal Strip And Baffle 251-6029
#46B

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

Blower base seal strip and baffle

Part #251-6029

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

Furnace Blower Housing Assembly 980-1250
#3A

(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 assembly

Part #980-1250

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

Blower Base Assembly - 10-8d 250-4852
#48B

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

Blower base assembly - 10-8d

Part #250-4852

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

Motor Support (belt Drive Units Only) 980-1485
Motor support (belt drive units only)

Part #980-1485

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

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