Lennox DMS3185/275/300/360 — curb adapter & replacement fit
The Lennox DMS3185/275/300/360 mounts on a roof curb with an overall footprint of 88.5″ × 254.5″. 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: 88.5″ × 254.5″ (L × W)
Covered models: DMS3185/275/300/360, DMS4185/275/300/360
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Lennox unit? Read the Lennox curb compatibility guide →
Compatible replacement pairings
- Lennox DSS1 450-600 85″ × 287.5″
- Lennox CVA1 450/600 85.5″ × 208″
- Lennox DMS4-415 93″ × 315.5″
- Lennox CHA8511/513/651/653 89″ × 78.5″
- Lennox LCC156H2B 102.125″ × 86.25″
- Lennox LCC156H2B 102.125″ × 86.25″
- Allied Air LGH420/480/540/600 80″ × 252″
- American Standard SBHDC20/25/30 84.5″ × 233.5″
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