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Customer Questions and Answers for Infinite Switch (Flex) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18033243
Manufacturer 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

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$80.60
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Questions & Answers

For Whirlpool Infinite Switch (Flex) (Part Number: OEM18033243)

1 Answer

James, Thanks for the question!!!! Whirlpool calls for a part number WP74003122 based on your model number. This is a dual-element switch. This works in junction with the triple switch (rocker switch).

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1 Answer

Hello Rob, I'm sorry but this part W10213943 has been discontinued by the manufacturer and no satisfactory substitutions have been provided. Thank you for your patience and understanding in this matter.

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1 Answer

Hello Jessica, depending on the first two digits of your serial number you will need either of the following switches. If your serial begins with 10-16, you'll order part number WP74003122 and if it's 17 and above you'll order part number WP74010824. Hope this helps!

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