SBD TANK TYPE HEATERS
SERVICE HANDBOOK
AIR FOR COMBUSTION
10 CUBIC FEET OF AIR PER 1,000 BTU
1,000 +
BTU
10CU.
FT.
COMB.
AIR
(Minimum)
2.5CU.
FT.
EXCESS
AIR
Stoichiometric or theoretical complete combustion requires 10 cubic feet of air per 1000 BTUH input of the gas input. The National Fuel Gas Code also recommends an additional 2.5 cu.ft. of "excess" air. This 12.5 cu.ft minimum supply air per 1000 BTUH input applies to natural and propane gas models.
The National Fuel Gas Code also specifies minimum
Technical Training Department | 5 |
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