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Elco Lighting ELL 4" New Construction IC Airtight Housing, 18W Max, 120/277V, ELL4621WW
- ROCK SKU: ELC-ELL4621WW
- UPC: 633999039470
- MFG Part #: ELL4621WW
$17.37
Estimated Lead Time: 0-2 weeks
The Elco Lighting ELL4621WW is a 4" new construction IC airtight recessed housing from the ELL Series, intended for ceiling plenums with 2×6 joists or greater and suitable for both IC and non-IC applications. The single-wall construction is rated for direct insulation contact, features an ASTM E-283 airtight gasket, and accommodates ceiling thicknesses up to 1½"; it accepts Koto™ modules, LED inserts, and PSA37/MR16 trims (sold separately) at a maximum of 18W on 120/277V. An optional 277V-to-120V step-down transformer is available, the housing meets Title 24 requirements, and it is listed for damp and wet locations with select shower trims.
| Watts | 18W Max |
| Voltage | 120/277V |
| IC Airtight | Yes, direct contact with insulation |
| Wet Location | Listed with Shower Trims |
| Ceiling Thickness | Accommodates up to 1.5" |
| Compatibility | Koto Module, LED inserts, PSA37 with MR16 trims |
| Title 24 | Compliant |
Returns
- Returns accepted within 30 days of purchase, in original unopened packaging, unused and in resalable condition.
- All returns require prior authorization — email info@rocklighting.com before shipping anything back.
- Approved returns are subject to a 25% restocking fee, deducted from the refund.
- No restocking fee when the problem is ours — damaged, defective, wrong item shipped, or an inaccurate listing.










