Part Location Diagram of WP6-903123 Whirlpool Rinse Aid Knob
See part 15 in the diagram
( Grid squares measure 1x1 inch )
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Rinse Aid Knob WP6-903123

 Fits your DW730B-CAN Dishwasher!
★★★★★
★★★★★
1 Review

Rated by 3 customers 

Really Easy 

30 - 60 mins 

Ratings submitted by customers like you who bought this part.

$ 55.49
  Special Order
 Fits your DW730B-CAN Dishwasher!
PartSelect Number PS11743034
Manufacturer Part Number WP6-903123
Manufactured by Whirlpool
Product Description

Rinse Aid Knob Specifications

This part holds the rinse aid liquid in the dispenser until the timer activates the rinse cycle.
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Troubleshooting
This part fixes the following symptoms:
Will not dispense detergent | Leaking | Not cleaning dishes properly
This part works with the following products:
Dishwasher.
This part works with the following products:
Maytag, Jenn-Air, Amana, Kenmore.
Part# WP6-903123 replaces these:
AP6009861, 6-903123, 9-3123, 9-3184, 903123, 903184
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Customer Reviews
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Customer Repair Stories
 Average Repair Rating: 3.8 / 5.0, 3 reviews. What's this?
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Sorry, we couldn't find any existing installation instruction that matched.
rinse aid plastic burned and curdled
order replace part easy to use
  • Elinor from VLY COTTAGE, NY
  • Difficulty Level:
    Very Easy
  • Total Repair Time:
    Less than 15 mins
1 person found this instruction helpful.
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detergent cup wouldn't open
Removed Torx (T20) screws around perimiter of inside cover. Lifted cover and inverted it, then disconnected the two terminals from the wax motor. Wire and motor terminals had green corrosion and entire motor/latch assembly was caked with accumulated detergent. After ensuring circuit was not hot, cleaned wire terminals by soaking ends (one a a time) in white vinegar, then water, then a spritz of WD-40. Removed old assmebly and reservoir, then thoroughly cleaned inside cover and vacuumed inside of dishwasher door. Took digital pics at each step of disassembly as a reference when reassembling.

Instructions provided with conversion kit are useless. Attached parts, motor, and gasket to new assembly first, using old assembly as a guide. then attached to cover before replacing reservoir. Inserted plunger into reservoir and twisted to secure. Installed o-ring and mounted reservoir; slot on reservoir mates with tab on assembly, and white lever arm actuates plunger. Reattached wires to motor and replaced inside cover. Ran a wash cycle and confirmed cup lid opened.

Note that my model only had one wax motor, so new assembly was identical to old and the Y-cable was not needed. As another commenter pointed out, latch assembly will not appear to work correctly manipulated by hand until you remember that cup lid holds latch at midpoint of travel at start of wash.
Other Parts Used:
Rinse Aid Knob Dual Wax Motor Conversion Kit
  • David from Glen Rock, NJ
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    1- 2 hours
  • Tools:
    Nutdriver, Pliers, Screw drivers
8 of 12 people found this instruction helpful.
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Original Rinse Aid Knob melted after falling in during the cycle; and the Rear Rack had broken due to 11 years of use.
So simple! I opened the shipment and popped them both into place. The only tricky part was the Rear Rack, making sure it was in the correct direction! Total time required was less than 2 minutes. No kidding!
Other Parts Used:
Rear Rack Bowl Tine Row Rinse Aid Knob
  • Jennifer from Newport Beach, CA
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    Less than 15 mins
16 of 21 people found this instruction helpful.
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Questions and Answers

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Michael
February 26, 2020
I am looking for rinse aid cap for Maytag dishwasher mdb6100aww
For model number Maytag MDB6100AWW
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Hello,  Thank you for contacting us. I have researched the model you have provided and have found the part you’re looking for is Rinse Aid - Part# PS11743034.

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS11743034
Manufacturer Part Number: WP6-903123
Brand
Model Number
Description
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