American Standard 3-9 — curb adapter & replacement fit
The American Standard 3-9 mounts on a roof curb with an overall footprint of 93.5″ × 48.5″. 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: 93.5″ × 48.5″ (L × W)
Covered models: 3-9
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Compatible replacement pairings
- American Standard GRAA30/35 96.5″ × 51.5″
- American Standard HAEA010/12/15 96.5″ × 54.25″
- American Standard TCD075/90A 81.5″ × 46.5″
- American Standard TCD086/90/91/102/120C 81.5″ × 46.5″
- American Standard EBC090/102/120/150 84.75″ × 54.5″
- American Standard TCD102/120A 89″ × 59″
- Modine MPR07 93.75″ × 47.75″
- AAON RN-014 94.125″ × 51.25″
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