Combustion Specifications - Bradford White IGI-180R-10 Service Manual

II - SPECIFICATIONS
Item
Gas consumption
Injector Diameter
Inches (mm)
Main Burner
Main Damper
Gas Pressure
Supply/Manifold
- COMBUSTION
Gas type
Minimum Btu's
Maximum Btu's
Upper
Lower
B3A7-1(Lean and Rich Bunsen Burner)
H73-115, Upper: Ø6, Lower: (Not used)
Minimum supply
Maximum supply
Low Fire manifold
High Fire manifold
11
Natural
15,000
180,000
Ø.037 (.95mm)
Ø.062 (1.6mm)
6" W.C.
10.5" W.C.
0.77" W.C
3.7" W.C
Propane
15,000
180,000
Ø.029 (.75mm)
Ø.045 (1.15mm)
10" W.C.
13.5" W.C.
0.93" W.C
4.2" W.C