Lennox CHA16 2553/2753/3003 — curb adapter & replacement fit
The Lennox CHA16 2553/2753/3003 mounts on a roof curb with an overall footprint of 156.5″ × 81″. SMARTCurb can compile a fabrication-ready curb adapter between this unit and hundreds of other rooftop units — replacement without touching the roof deck.
Curb footprint: 156.5″ × 81″ (L × W)
Covered models: CHA16 2553/2753/3003, CHA242553/2753/3003, GCS16 2553/2753/3003, GCS24 2553/2753/3003
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox DSS1180 168″ × 77.5″
- Lennox CVA1300/360 168″ × 85.5″
- Lennox CHA112753 134″ × 69.5″
- Lennox CHA81853/2753 126.5″ × 77″
- Lennox CHA81853/2753 126.5″ × 76.5″
- Lennox LCC248H/300H/360H 115″ × 85.5″
- Bryant 559D**300 158.5″ × 81.5″
- Bryant 580B**300/324 156.5″ × 84″
Need this fabricated?
Taylor Metals builds SMARTCurb adapters in 16 ga galvanized steel, fully welded, ready to set. Vancouver / Pitt Meadows, BC.
Request a quote — most quotes within 24 hours