MICROWAVE DOES NOT OPERATE
Whirlpool Microwave Magnetron thermostat W10864741, Fixes Microwave does not operate
Whirlpool thermostat for the microwave magnetron circuit; retailer catalogs also identify it as a thermal fuse/thermal protector.
Part W10864741Whirlpool
Whirlpool thermostat for the microwave magnetron circuit; retailer catalogs also identify it as a thermal fuse/thermal protector.
Is This the Right Part?
Part NumberW10864741
ManufacturerWhirlpool
Appliance TypeMicrowave
Part TypeMagnetron thermostat
Common Symptoms
- Microwave does not operate
- Microwave may stop heating when the protective thermostat opens
Check Before Replacing
- A qualified technician can test the thermostat for continuity with power disconnected.
- If the device is open, verify the underlying overheating cause before replacement.
Pro Tip
This part is listed in Whirlpool parts diagrams as the magnetron thermostat, not the separate cavity fuse.
Part Details
Part NumberW10864741
Part TypeMagnetron thermostat
ManufacturerWhirlpool
Appliance TypeMicrowave
Primary FunctionInterrupts power to protect the magnetron if the microwave overheats.
Key Features
- Genuine Whirlpool OEM part
- Part description in Whirlpool documentation: Thermostat, Magnetron
- Retailer catalog descriptor: THRMST-FIX
Installation Notes
- Disconnect electrical power before service.
- Microwave ovens can retain dangerous high voltage after unplugging; service should be performed by a qualified appliance technician.
- Replace only with the exact specified part and investigate any overheating condition before returning the appliance to service.
Verified Compatible Models
WMH53521HV4, YMMV4206FZ5, YWMH53521HZ-3, YWMH53521HZ2
Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.
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