Carrier Furnace Minimum clearances to combustibles
Carrier Furnace Minimum clearances to combustibles: reference table for the furnace (59SC6A series): a quick-reference table with notes.
Carrier Furnace Minimum clearances to combustibles table
| Position | Minimum clearance |
|---|---|
| Rear | 0 |
| Front (combustion air openings in furnace and in structure) | 1 in. (25 mm) |
| Required for service | 24 in. (610 mm) (see note) |
| All sides of supply plenum | 1 in. (25 mm) (see note) |
| Sides | 0 |
| Vent | 0 |
| Top of furnace | 1 in. (25 mm) |
How to use the Carrier Furnace Minimum clearances to combustibles table
Find your exact model in the first column and read across the row. Values in the Carrier Furnace Minimum clearances to combustibles table are a summary for quick reference; the rating plate on the unit and the manufacturer's manual for your model always decide. If your model is not listed, or a value looks different from what you see on the unit, check the manual before changing anything.
Notes
- Service and supply-plenum values are marked 'consult local building codes'.
- Keep 1 in. (25 mm) from combustibles to supply ductwork for 36 in. (914 mm) horizontally from the furnace.
- Downflow on a combustible or wood floor needs the special base unless installed on a factory cased coil or coil casing.
- Same values for all sizes.
Applies to: All 59SC6A sizes: 026M14--10, 040M14--10, 040M17--12, 060M14--12, 060M17--16, 080M17--16, 080M21--20, 100M21--20, 100M21--22, 120M24--22, 140M24--22
Carrier models this applies to
59SC6A026M14--1059SC6A040M14--1059SC6A040M17--1259SC6A060M14--1259SC6A060M17--1659SC6A080M17--1659SC6A080M21--2059SC6A100M21--2059SC6A100M21--2259SC6A120M24--2259SC6A140M24--22
Source: Carrier 59SC6A Installation, Start-up, Operating and Service and Maintenance Instructions (59SC6A-01SI), Table 2 Minimum Clearances to Combustible Materials for All Units, p.8 (printed p.5). Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.