Lennox GCS111353 — curb adapter & replacement fit
The Lennox GCS111353 mounts on a roof curb with an overall footprint of 108″ × 69.5″. 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: 108″ × 69.5″ (L × W)
Covered models: GCS111353
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox GCS1-651/653 108.5″ × 62.5″
- Lennox CHA161853 112″ × 64″
- Lennox CHA111853 108″ × 59.5″
- Lennox GCS111853 108″ × 59.5″
- Lennox CHA81353 106″ × 57″
- Lennox LCB240H 105″ × 88.5″
- Bryant 559C**180 102.5″ × 69.5″
- Trane TCD150A 102″ × 68.5″
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