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

This infinite switch controls the power level to a surface burner on an electric range or cooktop, allowing smooth, variable heat settings. Replacing a failed switch restores precise temperature control and reliable burner shutoff.

• Regulates power cycling to a surface element for low, medium, and high heat levels
• Common failure symptoms: burner won't heat, only heats on high, won't turn off, or fluctuates/uneven heat
• Mounts behind the control knob and controls a single surface burner
• Restores consistent heat selection and responsive knob control

• Disconnect power at the breaker before servicing
• Pull off the knob and access the switch from the control panel
• Note wire positions or take a photo; transfer wires one at a time to the new switch
• Secure the switch, reinstall panels/knob, and test burner operation