Lennox CHA161853 — curb adapter & replacement fit

The Lennox CHA161853 mounts on a roof curb with an overall footprint of 112″ × 64″. 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: 112″ × 64″ (L × W)
Covered models: CHA161853, CHP161853, GCS161853, CHA241853, GCS241853
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 CHA111853 108″ × 59.5″
- Lennox GCS111853 108″ × 59.5″
- Lennox GCS111353 108″ × 69.5″
- Lennox CHA81353 106″ × 57″
- Lennox CHA81353 124″ × 57″
- Munters HCUc-2410A 111.25″ × 65.25″
- Munters HCUc-3412A 111.25″ × 65.25″
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