1. Product Overview
The Whirlpool W10709921 Halogen Light Bulb is a genuine Original Equipment Manufacturer (OEM) replacement accessory designed for specific microwave ovens. This bulb is intended to illuminate the cooktop area, typically mounting on the bottom exterior of the appliance. It is a 25-watt bulb featuring a 2-contact wire loop base, ensuring compatibility and optimal performance with your Whirlpool appliance.
Image: Whirlpool W10709921 Halogen Light Bulb, showing its compact design and two-contact base.
2. Safety Information
WARNING: Before attempting any installation, maintenance, or repair on your microwave oven, you must disconnect the appliance from its power source. This can be done by unplugging the microwave or by shutting off the house circuit breaker that supplies power to the appliance. Failure to do so may result in electrical shock, personal injury, or death. Always wear appropriate personal protective equipment, such as gloves and safety glasses, during installation.
3. Specifications
| Brand | Whirlpool |
| Model Name | W10709921 |
| Light Type | Halogen |
| Wattage | 25 watts |
| Voltage | 120 Volts |
| Brightness | 200 Lumens |
| Average Life | 1000 Hours |
| Bulb Shape Size | B10 |
| Product Dimensions | 0.5"W x 0.5"H |
| Material | Glass |
4. Compatibility
The W10709921 Halogen Light Bulb is compatible with a range of Whirlpool microwave models. It also replaces several other part numbers, ensuring broad applicability for genuine replacements.
Compatible Microwave Models:
- MV8208C
- JMV9196C
- KHHC2090SS
- KHMC1857B
- KHMC1857BSP
- KHMS2056S
- KMHC319E
- KMHP519E
- MMV6190D
- WMH76719C
Replaces Part Numbers:
- W10208564
- 4248255
- PS11722423
- W10112515
- W10892536
- W11414610
5. Installation Instructions
Replacing the microwave halogen light bulb requires basic hand tools, minor disassembly of the microwave, and novice repair experience. Always prioritize safety by following the steps below:
- Disconnect Power: Before beginning any work, unplug the microwave oven from its electrical outlet or turn off the corresponding circuit breaker at your home's electrical panel. Verify that the power is completely off.
- Access the Bulb: The exterior bulb typically mounts on the bottom of the microwave to illuminate the cooktop. You will need to locate the access panel for this bulb. This usually involves removing a few screws from the bottom or front panel of the microwave. Refer to your specific microwave model's user manual for precise panel removal instructions.
- Remove Old Bulb: Once the access panel is removed, carefully grasp the old bulb and gently pull it straight out from its socket. Avoid twisting if the bulb is a push-in type, as this can damage the socket.
- Install New Bulb: Align the two-contact wire loop base of the new Whirlpool W10709921 Halogen Light Bulb with the socket. Gently push the new bulb firmly into place until it is seated securely. Do not force the bulb.
- Reassemble: Carefully reattach the access panel and secure it with the screws removed earlier. Ensure all components are properly aligned and tightened.
- Restore Power: Plug the microwave back into the electrical outlet or turn the circuit breaker back on.
- Test Functionality: Turn on the microwave light to confirm that the new bulb is working correctly.
6. Maintenance
Halogen bulbs have a finite lifespan. No specific maintenance is required beyond replacement when the bulb burns out. To maximize bulb life, avoid touching the glass portion of the bulb with bare hands during installation, as oils from your skin can create hot spots and reduce lifespan. If you accidentally touch the bulb, wipe it clean with a soft, lint-free cloth moistened with rubbing alcohol before installation.
7. Troubleshooting
If the new light bulb does not illuminate after installation, consider the following:
- Power Supply: Ensure the microwave is properly plugged in and the circuit breaker is on.
- Bulb Seating: Verify that the bulb is fully and correctly seated in its socket.
- Bulb Condition: Inspect the new bulb for any visible damage or broken filaments. Although new, manufacturing defects can occur.
- Socket/Wiring: If the issue persists, there might be a problem with the microwave's light socket or internal wiring. In such cases, it is recommended to consult a qualified appliance technician.
8. Warranty and Support
As a genuine OEM part, the Whirlpool W10709921 Halogen Light Bulb is manufactured to Whirlpool's high-quality standards. For specific warranty information or technical support, please refer to the documentation provided with your original microwave appliance or visit the official Whirlpool website. Using genuine OEM parts helps ensure the longevity and proper functioning of your appliance.
9. Official Product Information
For additional information regarding Whirlpool genuine parts and accessories, please watch the official brand video below:
Video: An official video from Whirlpool Corporation highlighting the quality and engineering standards of their genuine OEM parts and accessories. It emphasizes the importance of using authentic parts for optimal appliance performance and longevity.
