Lennox CHA16H261/ 311 — curb adapter & replacement fit
The Lennox CHA16H261/ 311 mounts on a roof curb with an overall footprint of 60″ × 45″. 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: 60″ × 45″ (L × W)
Covered models: CHA16H261/ 311, CHP16H261/311, GCS20H24/30, GCS20H261/311, z_
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox CHA16024/36 56.5″ × 45″
- Lennox GCS10261/311/411/413/461/463/511/513/651/653 66.5″ × 44.5″
- Lennox LRP14HP42/48/60 53″ × 44.5″
- Lennox RPGE126E-7**60 53″ × 44.5″
- Lennox 13GEP42/48/60 53″ × 48″
- Lennox 13CHAA24/30/36 62.5″ × 34″
- Reznor HRPB300 60.5″ × 43.25″
- Carrier 48KH*024/030 61″ × 43.5″
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