Lennox CHA8411/413/461/463 — curb adapter & replacement fit
The Lennox CHA8411/413/461/463 mounts on a roof curb with an overall footprint of 65.5″ × 60″. 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: 65.5″ × 60″ (L × W)
Covered models: CHA8411/413/461/463, CHP8411/413, GCS3411/413/461/463
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox CHA8411/413/461/463 67.75″ × 65.5″
- Lennox GCS10261/311/411/413/461/463/511/513/651/653 75″ × 57″
- Lennox CHA16048/60 69″ × 50.5″
- Lennox GCS10261/311/411/413/461/463/511/513/651/653 66.5″ × 44.5″
- Lennox GCS10261/311/411/413/461/463/511/513/651/653 76″ × 52″
- Lennox CHA111353 85″ × 59.5″
- Trane SAHA75 65.5″ × 60″
- Bryant 542F**090 65″ × 61″
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