Introduction
This manual provides essential information for the safe and effective use of your Sylvania 20926 FP35/835/ECO PENTRON Straight T5 Fluorescent Tube Light Bulb. Please read these instructions carefully before installation and operation. This product is a 35-watt, 58-inch T5 fluorescent tube with a Miniature Bi-Pin (G5) base, designed to provide 3,500K natural white light.
Setup and Installation
Safety Precautions
- Always turn off power to the fixture at the circuit breaker or fuse box before attempting installation or removal.
- Ensure the fixture is compatible with T5 fluorescent tubes and G5 bi-pin bases.
- Handle the bulb carefully to avoid breakage. Do not apply excessive force.
- Wear appropriate safety glasses and gloves during installation.
- Do not use in dimmable fixtures unless the ballast and bulb are specifically rated for dimming.
Installation Steps
- Ensure the power to the light fixture is completely off.
- If replacing an old bulb, carefully remove it by rotating it 90 degrees and gently pulling it out of the lampholders.
- Align the two pins of the new Sylvania T5 fluorescent tube with the slots in the lampholders.
- Gently push the bulb into the lampholders until the pins are fully seated.
- Rotate the bulb 90 degrees until it locks securely into place.
- Restore power to the fixture and test the new bulb.

Figure 1: Sylvania FP35/835/ECO PENTRON T5 Fluorescent Tube Light Bulb. This image displays a clear, straight T5 fluorescent tube light bulb with a miniature bi-pin (G5) base visible at one end. The bulb is approximately 58 inches long and designed for general lighting applications.
Operating Instructions
Once properly installed, the Sylvania T5 fluorescent tube operates by simply turning on the power switch connected to the fixture. The bulb will illuminate immediately. To turn off the light, switch off the power at the wall switch.
Maintenance
Cleaning
- Ensure the power is off and the bulb is cool before cleaning.
- Wipe the bulb gently with a soft, dry, lint-free cloth.
- Do not use liquid cleaners or abrasive materials, as these can damage the bulb's surface or internal components.
Replacement
Replace the bulb when it reaches the end of its useful life, indicated by flickering, dimming, or failure to illuminate. Follow the installation steps outlined in the 'Setup and Installation' section for safe replacement.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Bulb does not light up. | No power to fixture, incorrect installation, faulty bulb, or faulty ballast. | Check power supply. Re-install bulb ensuring pins are seated correctly. Test with a known working bulb. Consult an electrician if ballast is suspected. |
| Bulb flickers. | Loose connection, aging bulb, or faulty ballast. | Ensure bulb is securely installed. Replace bulb if it is old. Consult an electrician for ballast issues. |
| Bulb is dim. | Aging bulb or incorrect ballast. | Replace bulb. Ensure ballast is compatible with T5 35W bulbs. |
Specifications
| Feature | Detail |
|---|---|
| Brand | SYLVANIA |
| Model Number | 20926 |
| Light Type | Fluorescent |
| Special Feature | ECO |
| Wattage | 35 watts |
| Bulb Shape Size | T5 |
| Bulb Base | Miniature Bi-Pin (G5) |
| Light Color | Natural White |
| Color Temperature | 3500 Kelvin |
| Length | 58 inches |
| Material | Copper (pins) |
| Indoor/Outdoor Usage | Indoor |
| UPC | 046135209260 |
| Item Weight | 1.3 pounds |
Warranty Information
Sylvania products are manufactured to high-quality standards. For specific warranty details regarding your FP35/835/ECO PENTRON T5 Fluorescent Tube Light Bulb, please refer to the packaging or visit the official Sylvania website. Keep your proof of purchase for any warranty claims.
Customer Support
If you have any questions or require further assistance with your Sylvania fluorescent tube, please contact Sylvania customer support through their official website or the contact information provided on the product packaging. When contacting support, please have your model number (20926) and any relevant purchase details ready.



