Carrier 48HC**20/24 — curb adapter & replacement fit

The Carrier 48HC**20/24 mounts on a roof curb with an overall footprint of 135″ × 80″. 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: 135″ × 80″ (L × W)

Covered models: 48HC**20/24, 48TC**24/28, 50HC**20/24, 50TC*D24/28, 580J*24/28, RAH210//213/240/243, RAS240/300, RGH210/240, RGS240/300, RHS241, RHS240, RAH210/240, RHS240/241, 48LC**17/20, 581J*20/24, 50LC**17-20, 50LC**17/20, 50TC* 21/25, 48TC**21/25, CD20/25, 558J*24/28, 48FC**24/28, 551J*20/24, 580J*21/25

Existing-curb pattern drawing — reference only, verify dimensions before fabrication.

Replacing a Carrier unit? Read the Carrier curb compatibility guide →