Lennox CHA11953 — curb adapter & replacement fit
The Lennox CHA11953 mounts on a roof curb with an overall footprint of 79.5″ × 41.5″. 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: 79.5″ × 41.5″ (L × W)
Covered models: CHA11953, CHP11953
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox LGT036 79.75″ × 41.5″
- Lennox LGX024S5xx1Y 79.75″ × 41.5″
- Lennox CHA10261/311/411/413/461/463/511/513 80″ × 39″
- Lennox CHA24653/813 82.5″ × 41.5″
- Lennox LCA036H2B 82.125″ × 41.125″
- Lennox GCS09411/413/461/463/511/513/651/653 77″ × 40″
- Aaon RQ002/003/004/005/006 78.75″ × 40.5″
- Carrier 50YQ*024/030/036/042 82″ × 42″
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