High-Performance
LED Troffer Retrofit Kits
Simplified 2x2 and 2x4 Conversions | DLC 5.1 Listed
Whether you are an ESCO designing a multi-facility infrastructure rollout or a contractor balancing a tight installation timeline, LED Stick is your technical partner. We don’t just provide hardware; we provide the submittals, rebate verification, and "No-Hassle" support you need to keep your projects profitable and on schedule.
Have a specific technical question or need a bulk project quote? Our team is standing by to help you maximize your ROI and minimize your field hours.
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Expert Support for Your Next Lighting Project
Why ESCOs and Contractors Choose LED Stick Troffer Kits
Expert Support for Your Troffer Retrofit Project. Offices, schools, and healthcare facilities require uniform, flicker-free lighting. Our troffer kits provide a seamless transition from legacy fluorescent to high-efficiency LED, prioritizing both energy savings and occupant comfort.
Troffer retrofits represent the highest volume of fixtures in most commercial buildings. We’ve engineered our kits to ensure that high volume doesn't mean high labor costs.
Labor-Saving Design: Snap-in installation allows for rapid 2x2 and 2x4 conversions without removing existing housings.
DLC 5.1 Premium Certified: Guaranteed to meet the highest efficiency standards for utility incentives.
Visual Uniformity: Designed to eliminate 'hot spots,' providing consistent light levels across large office floorplans.
Maintenance-Free ROI: Backed by our industry-leading 7-year warranty to eliminate service calls.
Troffer LED Rebate & Payback Calculator
Because troffers are so prevalent in commercial spaces, they often qualify for significant utility rebate incentives. Use our integrated tool to verify Troffer LED rebates in your project's zip code. Match your specific part numbers to local prescriptive or midstream programs to calculate your exact ROI and payback period before you bid the job.
Select Your Category: Choose the specific lighting application for your project.
Enter Project Location: Input the Zip Code where the installation will take place.
Identify Your Utility: Select the local utility provider servicing the facility.
Select Program Type: Choose between Prescriptive or Midstream (Instant) rebate programs.
Verify Part Numbers: Search by product name or specific part number to match your quote.
Download Technical Data: Click the PDF icon to access technical cut sheets and submittal documentation.
LMK & LMX Technical Submittals and Spec Sheets
LMX External Driver Retrofit Kit
Engineered for advanced thermal management and long-term serviceability. The external driver allows for easier maintenance and superior performance in high-ambient temperature environments.
LMK Internal Driver Retrofit Kit
Optimized for maximum installation speed. The internal driver design simplifies wiring, making it the preferred choice for large-scale warehouse retrofits where labor hours are the primary constraint.
LMX - 2×4 Troffer Retrofit Installation
Engineered for advanced thermal management and long-term serviceability. The external driver allows for easier maintenance and superior performance in high-ambient temperature environments.
Fluorescent to LED Troffer Cross-Reference Guide
Identify the correct LED solution for your existing ceiling footprint. Whether you are replacing old T12 2-lamp troffers or high-output T8 4-lamp systems, our kits provide a 1-to-1 replacement that maintains footcandle requirements while slashing wattage consumption."
Identify Your Existing Fixture: Locate your current lamp type in the left column.
Match the Retrofit Model: Find the corresponding LED Stick part number in the right column.
Note for DLC Compliance: For DLC 5.0 listings, remove the "DIM" suffix from the part number (e.g., use LMK418-F-5000K-1) to verify incentive eligibility.
2x2 Troffer
LMK Internal Driver Retrofits
2 - U-Bend Lamps - Prismatic
2 - U-Bend Lamps – Parabolic
3 - Lamps - Prismatic
3 - Lamps - Parabolic
3 - BIAX Lamps
Existing Fixture
Retrofit Model
LMK213-DIM-F-xxxxK-2
LMK213-DIM-F-xxxxK-3
LMK213-DIM-F-xxxxK-2
LMK213-DIM-F-xxxxK-3
LMK213-DIM-F-xxxxK-3
2 - U-Bend Lamps - Prismatic
2 - U-Bend Lamps - Parabolic
3 - Lamps - Prismatic
3 - Lamps - Parabolic
3 - BIAX Lamps
LMX External Driver Retrofits
Existing Fixture
Retrofit Model
For DLC 5.0 Listings - Remove "DIM" after first "-" Example - LMK213-f-5000k-2, "-2 or -3" is number of lampsSY18W-DIM-2-SL2080-F-xxxxK-T
SY18W-DIM-3-SL2080-F-xxxxK-T
SY18W-DIM-2-SL2080-F-xxxxK-T
SY18W-DIM-3-SL2080-F-xxxxK-T
SY27W-DIM-F-xxxxK-T
1x4 Troffer
LMK Internal Driver Retrofits
Existing Fixture
2 - Lamps
Retrofit Model
LMK418-DIM-F-xxxxK-1
2 - Lamps
Retrofit Model
SY18W-DIM-2-SL4100-F-xxxxK
Existing Fixture
LMX External Driver Retrofits
For DLC 5.0 Listings – Remove “DIM” after 1st “-“ Example – LMK218-F-5000K-1, “-1” is number of lamps
SY18W-DIM-2-SL4100-F-xxxxK-T
SY32W-DIM-2-SL4100-F-xxxxK-T
SY27W-DIM-3-SL4100-F-xxxxK-T
SY32W-DIM-2-SL4100-F-xxxxK-T
SY36W-DIM-2-SL4100-F-xxxxK-T
SY42W-DIM-2-SL4100-F-xxxxK-T
LMX External Driver Retrofits
Existing Fixture
2x4 Troffer
LMK Internal Driver Retrofits
2 - Lamps - Prismatic
3 - Lamps - Prismatic
3 - Lamps – Parabolic
4 - Lamps - Prismatic
4 - Lamps - Prismatic
4 - Lamps - Prismatic
LMK418-DIM-F-xxxxK-2
LMK418-DIM-F-xxxxK-2
LMK418-DIM-F-xxxxK-2
LMK418-DIM-F-xxxxK-2
LMK422-DIM-F-xxxxK-2
LMK422HO-DIM-F-xxxxK-1
Retrofit Model
2 - Lamps - Prismatic
3 - Lamps - Prismatic
3 - Lamps – Parabolic
4 - Lamps - Prismatic
4 - Lamps - Prismatic
4 - Lamps - Prismatic
Existing Fixture
Retrofit Model