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

The infinite switch regulates power to your range or cooktop's surface element, letting you set heat from low to high. Replace a failed switch to restore dependable burner control and consistent cooking performance.

• Regulates on/off power cycling to the surface element based on the knob setting
• Helps resolve no-heat, stuck-on-high, won't-turn-off, or erratic/uneven heat issues
• Often controls the surface "on" indicator light circuit; failure may affect the light
• Installs behind the control knob and connects to the existing wire harness

• Disconnect power at the breaker; allow the appliance to cool completely
• Remove the knob and access panel to reach the switch
• Photograph wiring and transfer wires to the same labeled terminals (commonly L1, L2, H1, H2, P)
• Reassemble, restore power, and test multiple heat settings; check the element and wiring