Lennox CHA8511/513/651/653 — curb adapter & replacement fit
The Lennox CHA8511/513/651/653 mounts on a roof curb with an overall footprint of 89″ × 78.5″. 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: 89″ × 78.5″ (L × W)
Covered models: CHA8511/513/651/653(C), CHP8511/513/651/653(C), GCS3511/513/651/653(C)
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox LCT156 102″ × 86.125″
- Lennox LGX180S5xx1Y 102″ × 86.125″
- Lennox LCC156H2B 102.125″ × 86.25″
- Lennox LCC156H2B 102.125″ × 86.25″
- Lennox CHA8511/513/651/653 78.5″ × 68″
- Lennox CHA111353 85″ × 59.5″
- Arcoaire PAE300 90.5″ × 77″
- Sunbeam #### 88.5″ × 81.5″
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