Product Overview
SYLVANIA 20596 FT24DL/841/ECO – 24W DULUX L Twin-Tube CFL | 1,800 lm | 4100K | 82 CRI | 2G11 4-Pin | 12,000 Hours
The SYLVANIA 20596 FT24DL/841/ECO is a 24W DULUX® L ECOLOGIC® single-ended twin-tube compact fluorescent lamp with a 2G11 4-pin base, delivering 1,800 lumens at 4100K cool white with 82 CRI. Its long, compact T5-style configuration provides lumen output comparable to longer linear fluorescent lamps while using approximately half the fixture length. Designed for compatible commercial fluorescent ballast systems, the FT24DL family may support preheat, rapid-start, instant-start, or programmed-start operation depending on the ballast; on rapid-start ballasts, the lamp operates at 27W. Please verify lamp number, 2G11 socket, ballast compatibility, operating method, dimensions, and color temperature before ordering.
|
Wattage
24W
27W on RS Ballast
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Lumens
1,800 lm
Nominal
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Color Temp
4100K
Cool White / 841
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Base
2G11
4-Pin
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Rated Life
12,000 hrs
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Technical Specifications
| Brand | SYLVANIA / LEDVANCE |
| Family | DULUX® L ECOLOGIC® |
| Item Number | 20596 |
| Ordering Abbreviation | FT24DL/841/ECO |
| Lamp Type | Single-ended twin-tube compact fluorescent lamp |
| Nominal Wattage | 24W; 27W when operated on rapid-start ballasts |
| Base Type | 2G11 4-pin |
| Luminous Flux | 1,800 lm |
| Color Temperature | 4100K (Cool White) |
| Light Color Code | 841 |
| Color Rendering Index | 82 |
| Average Rated Life | 12,000 hours |
| Operating Methods | Preheat, rapid start, instant start, or programmed start with compatible ballast |
| Maximum Overall Length | 12.9 in / 320 mm |
| Lamp Width | 1.6 in / 40 mm |
| Maximum Bulb Diameter | 0.8 in / 20 mm |
| Environmental Design | ECOLOGIC®; designed to meet Federal TCLP criteria for classification as non-hazardous waste in most states |
Key Features & Benefits
- High-lumen, single-ended twin-tube design delivers 1,800 lumens from a compact 24W lamp.
- 82 CRI supports reliable color appearance in commercial and institutional environments.
- 2G11 4-pin configuration for compatible DULUX L fluorescent fixtures and ballasts.
- Compact lamp length provides output similar to longer linear fluorescent lamps in reduced fixture space.
- ECOLOGIC® construction is designed to meet Federal TCLP criteria for non-hazardous waste classification in most states.
- Compatible ballast options may include preheat, rapid start, instant start, and programmed start.
Product Overview
The SYLVANIA 20596 DULUX® L lamp combines the high lumen output of a linear fluorescent source with a compact, single-ended twin-tube configuration. Its 1,800-lumen output and 4100K cool white appearance make it suitable for commercial installations where a compact 2G11 lamp is specified.
The DULUX L family is used in direct and indirect fixtures, recessed and surface-mounted luminaires, landscape lighting, signage, stage and set lighting, task lighting, wall sconces, and wall-washing fixtures. The 82 CRI supports consistent color rendering across matched installations.
Ballast compatibility must be confirmed carefully. The FT24DL may be operated using several starting methods, and the system wattage changes to 27W on rapid-start ballasts. Lamp life and performance can vary with the ballast and operating method.
Compatible Applications
- Indirect commercial lighting fixtures
- Landscape lighting designed for 2G11 compact fluorescent lamps
- Recessed and surface-mounted luminaires
- Illuminated signage and sign-lighting fixtures
- Stage and set lighting
- Commercial task lighting
- Wall sconces and wall-washing fixtures
Before Ordering – Verify
- Item number: Confirm SYLVANIA item 20596 and ordering abbreviation FT24DL/841/ECO.
- Color temperature: This lamp is 4100K / 841 Cool White. The FT24DL family also includes sibling 20597 in 3000K, 20580 in 3500K, and 20596 in 4100K; confirm the required CCT before ordering.
- Base: Confirm the fixture uses a 2G11 4-pin socket.
- Ballast: Verify the ballast is approved for FT24DL lamps and the intended operating method.
- System wattage: The lamp is rated 24W and operates at 27W on rapid-start ballasts.
- Dimensions: Confirm a 12.9-inch / 320 mm maximum overall length, 1.6-inch / 40 mm lamp width, and 0.8-inch / 20 mm maximum bulb diameter.
- Not interchangeable by appearance alone: Other DULUX L wattages and variants may use similar 2G11 bases but have different electrical requirements.
Safety and Handling Guidelines
- Disconnect electrical power before inspecting, installing, or removing the lamp.
- Install only in a compatible 2G11 socket with ballast equipment approved for the FT24DL lamp family.
- Do not force the lamp into the socket; align all four pins correctly before insertion.
- Handle by the plastic base and avoid applying pressure to the glass tubes.
- Replace any lamp that is cracked, damaged, or improperly seated.
- Lamp life may vary with ballast type, starting method, operating cycle, and fixture conditions.
- Follow the fixture and ballast manufacturer’s installation and operating instructions.
Compliance & Environmental Information
- ECOLOGIC® compact fluorescent design.
- Designed to pass Federal TCLP criteria for classification as non-hazardous waste in most states.
- Fluorescent lamps contain mercury and should be recycled or disposed of according to applicable local, state, and federal regulations.
- No UL, ETL, DLC, Title 20, Title 24, or JA8 certification was identified in the provided family specification sheet.
Ordering Information
- Brand: SYLVANIA / LEDVANCE
- Item Number: 20596
- Ordering Abbreviation: FT24DL/841/ECO
- Wattage: 24W nominal; 27W on rapid-start ballast
- Lumens: 1,800 lm
- Color Temperature: 4100K / 841
- Base: 2G11 4-pin
- Average Rated Life: 12,000 hours
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
