Ready.

Active Job

Job #: 1234
Name: acme
Date: 2026-02-11
Burner: xyz
Max (mmBTU/hr): 5
Fuel: Natural Gas
Air Temp (F): 70
Ambient (psia): 14.7
Air SCFM @ Max: 950
Air ΔP @ Max: 29
Gas ΔP @ Max: 42
Air Orifice (in): 3.669
Gas Orifice (in): 0.857

Point

You only enter Position + Gas ΔP + Air ΔP. Orifice sizes are taken from the job (datasheet back-calculated).

Gas

Air

Log

PosGas CFHAir CFHA/GTime
0% 345 4,733 13.72 19:32:56
10% 546 10,315 18.91 19:33:46
20% 845 12,961 15.33 19:34:23
30% 845 20,080 23.76 18:34:13
40% 1,358 22,199 16.34 19:39:19