User guide

IV Combustion Chamber
Continued
Detailed information is available on request.
Since firing door installations will generally leave no openings for flame observation, a peep
sight must be installed in the burner mounting plate.
Maximum
Input
MBH
685
1,125
1,750
2,250
2,500
3,000
3,500
4,000
5,000
6,000
Width
17"
21"
25"
27"
29"
32"
36"
39"
43"
45"
Length
33"
41"
50"
54"
58"
64"
72"
78"
86"
90"
C/L to Floor*
8"
10"
12"
12"
12"
12"
12"
12"
14"
14"
Recommended Combustion
Chamber Dimensions
Table 2: Recommended Combustion Chamber Dimensions
Figure 5: Mounting Flange and Burner Nozzle
Figure 6: Conventional Boiler—Large Firebox
* Dimension given is from centerline of burner nozzle to combustion chamber
floor.
5