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The WHIRLPOOL WP31760601B is a genuine OEM infinite switch knob finished in black. It mounts to the infinite switch shaft on a range or cooktop, giving the user tactile control over burner heat output across a continuous range of settings. This is not an aftermarket substitute - it is a factory-original part sourced directly from Whirlpool. HVAC and appliance technicians as well as experienced DIYers who work on residential cooking appliances install this knob when the original becomes cracked, melted, or otherwise unserviceable. No special tooling is required, but having the correct model number on hand before ordering ensures a proper fit.
This knob is designed for Whirlpool residential ranges and cooktops equipped with an infinite switch burner control. It is a common service part on electric freestanding ranges, slide-in ranges, and drop-in cooktop models that use this style of rotary burner control. When a knob breaks or its internal spline sleeve strips, burner output can no longer be reliably adjusted, making replacement necessary for safe appliance operation.
Designed as an OEM-style replacement knob for Whirlpool residential ranges and cooktops that use an infinite switch burner control with this knob style. Confirm your model number against Whirlpool service documentation before ordering.
Appliance technicians or qualified DIYers can install this knob. Before beginning, disconnect power to the range or cooktop at the circuit breaker or by unplugging the unit - do not work on a live appliance. The knob typically pulls straight off the switch shaft and the replacement presses on; consult the appliance owner's manual or service sheet for any model-specific guidance. Verify the spline count and shaft diameter match before final installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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