1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your Sylvania FBO31/830/XP/ECO U Shaped T8 Fluorescent Tube Light Bulb. Please read these instructions carefully before use and retain them for future reference.
2. Important Safety Information
Always observe the following safety precautions to prevent injury or damage:
- Power Disconnection: Always ensure the power supply to the fixture is turned off at the circuit breaker or fuse box before installing, removing, or servicing the bulb.
- Handle with Care: Fluorescent bulbs contain small amounts of mercury. Handle with care to avoid breakage. If a bulb breaks, follow local guidelines for cleanup and disposal.
- Proper Fixture: Use this bulb only in compatible T8 fluorescent fixtures with a medium bi-pin (G13) base. Ensure the fixture is rated for the bulb's wattage.
- Avoid Contact: Do not touch the glass portion of the bulb with bare hands during installation or removal, as oils can reduce bulb life. Use a clean cloth or gloves.
- Disposal: Dispose of used fluorescent bulbs according to local environmental regulations. Many communities have recycling programs for fluorescent lamps.
3. Product Overview
The Sylvania FBO31/830/XP/ECO is a 31-watt, U-shaped T8 fluorescent tube light bulb designed for energy-efficient illumination. It features a warm white color temperature of 3000K and a medium bi-pin (G13) base, providing 2775 lumens of light output with a high color rendering index (CRI) of 82.

Figure 1: Sylvania FBO31/830/XP/ECO U Shaped T8 Fluorescent Tube Light Bulb. This image displays the U-shaped fluorescent tube with its bi-pin connectors at the base.

Figure 2: Dimensions of the Sylvania FBO31/830/XP/ECO Fluorescent Tube. The image indicates a length of 22.5 inches and a width of 2.67 inches at the base.
4. Setup and Installation
Follow these steps to safely install your fluorescent tube:
- Turn Off Power: Locate the circuit breaker or fuse box that controls the lighting fixture. Turn off the power to the fixture completely. Verify that the power is off by attempting to turn on the light switch.
- Remove Old Bulb (if applicable): If replacing an existing bulb, carefully twist the old bulb approximately 90 degrees and gently pull it out of the bi-pin sockets. Dispose of the old bulb properly.
- Insert New Bulb: Align the two pins at each end of the Sylvania FBO31/830/XP/ECO bulb with the slots in the fixture's bi-pin sockets. Gently push the bulb into the sockets until the pins are fully seated, then rotate the bulb approximately 90 degrees until it locks into place. Ensure the bulb is securely seated and not loose.
- Restore Power: Once the bulb is securely installed, restore power to the fixture at the circuit breaker or fuse box.
- Test Operation: Turn on the light switch to confirm the bulb is functioning correctly.
5. Operating Instructions
The Sylvania FBO31/830/XP/ECO fluorescent tube operates in conjunction with your fixture's ballast and wall switch. Simply use the wall switch connected to your fixture to turn the light on or off. Allow a brief moment for the bulb to reach full brightness upon activation.
6. Maintenance
- Cleaning: To maintain optimal light output, periodically clean the bulb and fixture with a soft, dry, lint-free cloth. Ensure the power is off and the bulb is cool before cleaning. Do not use abrasive cleaners or solvents.
- Replacement: The average lifetime of this bulb is 24,000 hours. Replace the bulb when it begins to flicker, dim significantly, or fails to illuminate. Always replace with a compatible T8 fluorescent bulb of the same wattage and base type.
7. Troubleshooting
If you encounter issues with your fluorescent tube, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up | No power to fixture Bulb not properly seated Defective bulb Defective ballast/fixture | Check circuit breaker/fuse Re-seat bulb firmly Replace bulb Consult an electrician |
| Bulb flickers or hums | Old/failing bulb Incorrect ballast Loose connection | Replace bulb Ensure ballast is compatible with T8 Check bulb seating and fixture wiring |
| Dim light output | Bulb nearing end of life Dirty bulb/fixture | Replace bulb Clean bulb and fixture |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | SYLVANIA |
| Model Number | FBO31/830/XP/ECO (Part No. 21693) |
| Light Type | Fluorescent |
| Bulb Shape Size | T8, U-Shaped |
| Wattage | 31 Watts |
| Voltage | 120 Volts (AC) |
| Base Type | Medium Bi-Pin (G13) |
| Light Color | Warm White |
| Color Temperature | 3000 Kelvin |
| Brightness | 2775 Lumens |
| Color Rendering Index (CRI) | 82 |
| Average Lifetime | 24,000 hours |
| Special Feature | Energy Efficient |
| Material | Copper (pins) |
| Item Weight | 8.95 Pounds |
| UPC | 046135216930 |
9. Warranty and Support
For warranty information and customer support, please refer to the official SYLVANIA website or contact their customer service department. Keep your purchase receipt as proof of purchase. You can visit the SYLVANIA Store on Amazon for more product details and support resources.