Carrier 48AJ*036/040/050 — curb adapter & replacement fit

The Carrier 48AJ*036/040/050 mounts on a roof curb with an overall footprint of 212.75″ × 81.25″. 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: 212.75″ × 81.25″ (L × W)
Covered models: 48AJ*036/040/050, 48AK*036/040/050, 48EJ*038/044/048, 48EK*038/044/048, 50A2*040/50, 50A3*040/050, 50AJ*040/050, 50AK*040/050, 50EJ*038/044/048, 50EK*038/044/048, 48A2*040/050, 50EW*038/44/48, 48A6*040/050, 50K***40/50, 50K3A-40/50, 48K4BF50, 48A3*040/050, 48A7*040/050, 50A6*040/050, 50A7*040/050, 48K***40/50
Existing-curb pattern drawing — reference only, verify dimensions before fabrication.
Replacing a Carrier unit? Read the Carrier curb compatibility guide →
Compatible replacement pairings
- Carrier size 040, 40 ton 212.75″ × 81.25″
- Carrier size 040, 40 ton 212.75″ × 81.25″
- Carrier size 050, 50 ton 212.75″ × 81.25″
- Carrier 48MA*016/024/028/030 214″ × 83″
- Carrier 50V 229.88″ × 83.5″
- Carrier 48DD*044 240″ × 82″
- Captive Aire CASRTU4 HC 210″ × 80″
- McQuay RPS041B/060B 212.5″ × 88.5″
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