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Kitchenaid Cooktop Switch

Kitchenaid Infinite Switch (Dual Element)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4456027

This dual infinite switch controls power to a dual surface burner on an electric range or cooktop. Replacing a failed switch restores smooth heat control and proper inner/outer ring selection for accurate simmer-to-boil performance. What it does:

  • Regulates power sent to the inner and outer sections of a dual surface element
  • Provides variable heat levels from low to high
  • Lets you select small (inner) or large (dual-ring) cooking zones
  • Common failure symptoms: burner stuck on high or won't turn off, won't heat or heats erratically, cannot switch between inner-only and dual-ring modes
What's included:
  • 1 dual infinite surface element control switch
Install notes:
  • Disconnect power at the breaker before servicing
  • Access the control panel; remove the knob and switch mounting hardware as required by your model
  • Label or photograph wiring and transfer each wire to the same terminal on the new switch
  • After reassembly, test both inner-only and dual-ring settings to ensure proper operation

Do-It-Yourself Stories from Customers like You Burner switch failure   James C. • Estes Park , CO • November 30, 2015

Ordered a new switch (4456027) from you. You seemed to have the best price and guaranteed that it was a OEM part -not everybody did. I had repaired Jenn Air cook tops before so I thought this was not a problem. Wrong. Mostly it was my own stupidity. I exchanged the wires from the old switch to the new one at a time but did write down where the original wires went. Flipped the breakers back on. Only one heater got hot. Searched the internet for several days for a wiring diagram. Nothing much.... Read more

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Kitchenaid Switch, Rocker
Genuine Whirlpool part
By: Whirlpool
Part Number: WP4314961

Color: Black. Instruction sheet included.

Do-It-Yourself Stories from Customers like You The dense pack rocker switch on our whirlpool compactor broke after 28 years   Jane G. • Hubbardston , MA • August 21, 2016

Removed rocker switch,made up jumper so the compactor could be used while awaiting replacement switch. The part came 2 days later and was installed in less tha 5 minutes. Unit working like new again. Thanks for the great service!! Read more

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Kitchenaid Infinite Switch (Flex)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP74008940

This infinite surface element switch controls the heat output of a cooktop/range element. Replacing a worn switch restores smooth, reliable temperature adjustment for the designated Flex element, preventing issues like stuck-on-high heat, no heat, or erratic cycling.

  • Regulates power to the surface element by cycling on and off at the selected setting
  • Dedicated control for the unit's Flex element circuit
  • Common failure symptoms: element won't heat, only heats on high, won't shut off, or heats inconsistently
What's included: 1 infinite switch Install notes:
  • Disconnect power at the breaker before servicing to avoid electrical shock
  • Pull the control knob straight off; access the switch from the control panel and note its orientation
  • Label and transfer wires one at a time to matching terminals on the new switch
  • Reassemble, restore power, and test all heat settings for proper operation

Do-It-Yourself Stories from Customers like You Couldn't regulate temp on 2 stove top burners.   Darren L. • Ozark , MO • December 12, 2019

Watched appliance parts pros video on YouTube to determine which part to replace. Ordered parts and followed how to video and replaced parts. Read more

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Kitchenaid Wire Harness (Switch Tcb)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP9756824

This wire harness connects the control/switch assembly to the appliance's thermal cutoff and control circuits, restoring reliable electrical connections for proper operation. It's a direct-fit replacement when the original wiring is damaged or corroded. What it does:

  • Provides the factory routing and connectors between the control/switch and TCB/thermal cutoff
  • Re-establishes lost or intermittent power caused by damaged wiring or broken terminals
  • Helps stop failures that cause controls to be unresponsive or cycles to stop unexpectedly
  • Uses OEM-style terminals and insulation to match original fit and function
What's included:
  • One wire harness (switch TCB) as shown
Install notes:
  • Disconnect power before starting — verify the appliance is completely de-energized
  • Take photos of existing wire routing and connector locations to ensure correct reassembly
  • Plug connectors fully and secure the harness along original clips or tie points; avoid sharp edges
  • If terminals are damaged at mating parts, inspect and replace those components rather than splicing connectors

Do-It-Yourself Stories from Customers like You Gas range one burner stopped lighting when turned on   James C. • Franklinton , NC • September 17, 2016

I researched similar problems online, especially youtube. The ignition harness seemed to be the problem. I ordered it here, and received it within 2 days. Maybe I was lucky, but It took only about 15 minutes to replace on my unit. Stove is back to working as expected. Read more

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Kitchenaid Wire Harness (Harness Assembly)
Genuine Whirlpool part
By: Whirlpool
Part Number: W11561436

This genuine replacement wire harness connects and routes power and signal lines between appliance components, restoring reliable electrical communication for normal operation and control response. What it does:

  • Replaces damaged or frayed wiring that can interrupt power or signals
  • Restores reliable connections between controls, motors, and sensors
  • Helps resolve intermittent operation, loss of certain functions, or failure to start when caused by wiring faults
  • Provides factory-style connectors and routing for secure, vibration-resistant connections
What's included: One new wire harness Install notes:
  • Disconnect power to the appliance before starting any repairs
  • Handle connectors carefully; match connector shapes and colors to the original
  • Route the harness as the OEM diagram specifies and secure with clips or ties to prevent chafing

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