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Whirlpool Duet / Duet Sport Dryer WED9450WW1 Service Manual

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Looking for an Owner's Manual / User Guide?

Did you know that many appliances bearing the same name are produced by different manufacturers? For example, a lot of Kenmore dishwashers are made by Whirlpool and Frigidaire, while certain Maytag washers were produced by Samsung.

Service and repair manuals often refer to the original base model before it was rebranded.


  • Theory of Operation
    Electrical/Gas Requirements, Heated Air Circulation, Venting and Controls
  • Cycle Description
    Timer and Sensor Drying Cycles, Option Modifiers
  • Component Access
    Drum and Rollers, Console, Heating Element, Gas Burner (gas models only), Cabinet Components
  • Parts Removal and Replacement
    incl. Door components, Belt, Drive Motor, Thermal Fuse, High-Limit Thermostat, Sensors etc.
  • Troubleshooting and Diagnosis
    Problems, Tests and Remedies. Diagnostic Cycles. Testing motor, thermal Sensors, Heating Element/Gas Burner Coils
  • Error Codes
    Blinking LEDs and alpha-numeric PF, F01..F70, F71..F78, Fxxx codes (dryers with electronic consoles only)
  • Wiring Diagram
    Schematics and Strip Circuits. Motor, switch, timer, relay and other component pinouts.
  • Tech Tips
    Symptoms, Checks and Suggested Solutions

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Parts List & Diagrams:

Part Number:

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Partial list of this Whirlpool Dryer components

(for additional details, please see All Parts & Diagrams)

Top and console parts is composed of clip, harness rast, wheel assembly (service only with illus. 28) connector, sensor retainer, snap clip, harness installation, instruction user interface (center) (includes item: 13.) tech sheet foam-seal top (red).   Top and console parts components are badge terminal top (mercury) encoder-wheel panel, console (includes items: 20, 21, 22, 27, 28, 32 ) (red) knob, spring (2) (service only with illus. 28) array, power top (white) knob, light ring (includes: illus. 21) tie, cable.   Cabinet parts is composed of plug, multivent (midnight grey) foot, dryer sound panel base, cabinet (as of 10/23/09) screw, 8-18 x 1/2 dryer exhaust kit (for side & bottom venting) (midnight grey) ramp, door panel, side (r.h.) (white) clamp, motor (2) spring, idler.   Cabinet parts parts are screw, 8-18 x 1/2 screw, 10-16 x 1/2 panel, rear bracket, control clip-s type idler bracket seal, front panel dryer exhaust kit (for side & bottom venting) (midnight grey) plug, multivent (midnight grey) control board.   Bulkhead parts is composed of seal, cover plate roller, support bulkhead, front exhaust pipe harness, sensor door, lint screen wheel, blower seal, drum clip-spring ring, tri.   Bulkhead parts components are screw, 8-18 x 3/8 nut, 3/8-16 (l.h.) shaft, r.h. thread lint duct assembly wheel, blower shaft, l.h. thread complete drum assembly clip, exhaust pipe housing, blower bulkhead, rear.   Door parts is composed of cover-hinge (r.h.) retainer-window (lower) door-shield gasket, window screw, 8-18 x 11/16 door screen door assembly (outer) screw, 10-24 x 3/64 cover-hinge (l.h.) (following parts not included) tear-drop trim & clip assembly (red).   Door parts section contains screw-plug screw, 10-24 x 3/64 tear-drop trim & clip assembly (mercury) cover-hinge (l.h.) (following parts not included) tear-drop trim & clip assembly (white) door intermediate door assembly (inner) (includes item: 12) door assembly (outer) door mask door hinge assembly.   Optional parts (not included) section contains paint, pressurized spray (12 oz.) (primer, gray) paint, pressurized spray (12 oz.) (white) paint, touch-up (1/2oz.) (magna red gloss) kit, hold down 6' 30 amp 4 wire dryer cord 4' 30 amp 3 wire dryer cord kit, door reversing paint, touch-up (1/2oz.) (white) kit, stack assembly paint, bulk (1 qt.) (white (uncut)).   Optional parts (not included) section includes 4' 30 amp 3 wire dryer cord paint, pressurized spray (12 oz.) (white) 4' 30 amp 4 wire dryer cord kit, stack assembly paint, touch-up (1/2oz.) (magna red gloss) kit, hold down paint, touch-up (1/2oz.) (white) kit, dryer repair paint, pressurized spray (12 oz.) (primer, gray) paint, bulk (1 qt.) (white (uncut)).  

Obtain Dryer Drum capacity

What is the Whirlpool Duet / Duet Sport Dryer WED9450WW1 drum capacity?

Dryer Drum Capacity as per Manufacturer Specifications (in cubic feet):

We do not have the drum capacity for this model in our database yet but we can try to research it for you, please send us a message with your request.

Calculate Dryer Drum capacity

This is a geometric method to calculate drum capacity based on the cylinder volume formula. Unfortunately, the value could be as much as 25% off from the manufacturer stated capacity.

Why? Because a drum is not exactly a cylinder. The edge where bottom connected to the wall is not at 90 degree angle but smooth and rounded. The end of the drum is not clearly marked and the back is not always flat. Finally, there are baffles inside the drum used for tumbling clothes.

This method can be used as a crude estimate but we do not recommend using it for comparisson when shopping for a new dryer.

To determine your dryer drum capacity please take two simple measurements:

Dryer Drum Capacity Measurements

1. Use the ruler to measure the depth of the drum (indicated by the red line on the diagram)

2. Now find the distance accross the drum, the diameter (the green line on the diagram). Do not confuse the size of the the door opening with the size of the drum. In this case make the measurements INSIDE the drum.


Dryer Drum Depth: in. Dryer Drum Diameter: in.


The Whirlpool Duet / Duet Sport Dryer WED9450WW1 drum capacity is ... cubic feet.

Make sure to use the manufacturer's part number when ordering a replacement.

Part list and Diagrams

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