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Customer Questions and Answers for Infinite Switch (Dual Surface Element) by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18057825
Manufacturer Part Number: WPW10312185

This dual infinite switch regulates power to a dual surface element on your range or cooktop, delivering smooth, adjustable heat. Replacing a failing switch restores precise temperature control and consistent burner performance.

  • Controls power to the inner and outer coils of a dual surface element
  • Provides variable heat settings from low to high
  • Common symptoms: no heat or only high heat, temperature won't adjust, one part of the dual element doesn't heat, or the element won't turn off
  • Helps restore even, predictable cooking temperatures
What's included: 1 dual infinite switch Install notes:
  • Disconnect power to the appliance before servicing
  • Remove the knob and access the control panel to reach the switch
  • Transfer wires one at a time to matching terminals on the new switch; use terminal markings or a photo for reference
  • Secure the switch, reinstall the knob/panel, restore power, and test both inner and outer element functions

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Questions & Answers

For Whirlpool Infinite Switch (Dual Surface Element) (Part Number: OEM18057825)

1 Answer

Hello Michelle, I'm sorry but we do not yet have a video of this repair. Before beginning, be sure to turn off all power to the unit. You will need to pull the cooktop from its' installation and remove the screws around the perimeter of the unit that is closest to the glass top, (usually three in front, three in rear, and two on each end). You will then be able to lift the glass top from the burner box to access the infinite switches. Be sure to take pictures of the wiring so you can tell what wires connect to what terminals or label them. The alternative is to label the wires so you can tell exactly where they were initially installed. When you get the old switch out, compare the switches to ensure the terminals are in the same locations "as labeled" on the switches. Install the new switch and wires in the correct positions. When you install the screws around the perimeter, do not fully tighten them as this may cause the cooktop to "rock" in the countertop. Leave them about loose by about 1/4 turn. Reinstall the cooktop using foam tape WB04K10015, (you will need two rolls), to prevent spills from getting between the cooktop and countertop. Turn the power back on and test for normal operation.

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1 Answer

Mike, The hot indicator light is operated by the thermal limiter in the elements. You will need to check each element to see which one is causing the issue.

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