Whirlpool Range Switch WP4456836 - Restore Downdraft Fan Speed Control
When your range's downdraft fan runs at only one speed — or won't respond to the speed selector at all — the fan speed switch has failed. In most Whirlpool-built downdraft ranges, the speed switch is the single point of control between the user and the blower motor. When it fails, the fan may run at full blast constantly, refuse to change speeds, or stop responding entirely — leaving smoke and grease with nowhere to go. ⚡ Common failure point in Whirlpool, KitchenAid, Maytag, and Jenn-Air downdraft ranges. Part WP4456836 is the genuine OEM replacement that restores full multi-speed fan control and proper ventilation performance.
Whirlpool Range Range Parts WP4456836
Is This the Right Part?
Confirm the complete model number before ordering. Similar parts may use different connectors, dimensions, hose positions, electrical ratings, or mounting points.
- ✔ Your range powers on and cooks normally
- ✔ The downdraft blower motor runs (fan spins)
- ✔ Wiring and connections to the switch are intact
- ✔ ONLY problem is the fan won't change speeds or doesn't respond to the speed selector
- Downdraft fan runs at one speed only regardless of selector position
- Fan speed selector switch feels loose, broken, or unresponsive
- Fan won't turn on or off via the speed control
- Fan runs continuously at high speed with no way to reduce it
- Burning smell or arcing at the switch location
- Part Number: WP4456836
- Type: Downdraft Fan Speed Switch — multi-position rotary selector
- Replaces: 4456836, AP6011812, PS11745018, EAP11745018
- Brands: Whirlpool, KitchenAid, Maytag, Jenn-Air, Amana
- Condition: Genuine OEM — new in manufacturer packaging
A fan speed switch stuck in the high position forces the blower motor to run at maximum load continuously — often for weeks or months before the homeowner notices. By the time the switch fails visibly, the motor bearings are frequently worn. Stocking WP4456836 alongside the compatible downdraft blower motor means you close the job in one visit instead of two.
Part Details
Use a qualified technician when diagnosis or installation is outside your experience. Gas parts should be installed by a licensed technician.
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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