Warning – Burnham Series 2B User Manual
Page 3
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WARNING
READ THESE INSTRUCTIONS CAREFULLY BEFORE PROCEEDING WITH THE INSTALLATION OF BOILER.
POST INSTRUCTIONS NEAR BOILER FOR REFERENCE BY OWNER AND SERVICE TECHNICIAN. MAINTAIN
INSTRUCTIONS IN LEGIBLE CONDITION.
Boiler
Model
Number
Dimensions [Inches]
Gas
Connection
For Automatic
Gas Valve
Water
Content
[gallons]
Recommended
Vent Size
[1] [2]
Approx.
Shipping
Weight
[lb.]
A
B
C
D
E
F
G
202
18-3/4
10-3/4
6-3/8
4
45-5/8
8-1/2
10 [3]
1/2
2.5
3" dia. x 15 ft.
212
202X
20
12
6
4
45-5/8
8-1/2
4-3/4
1/2
3.2
4" dia. x 15 ft.
262
203
20
12
6
4
45-5/8
8-1/2
4-3/4
1/2
3.2
4" dia. x 15 ft.
262
204
23-1/4
15-1/4
7-5/8
5
47-1/8
9-1/8
4-3/4
1/2
4
5" dia. x 15 ft.
306
205
26-1/2
18-1/2
9-1/4
6
48-1/2
9-3/4
5-1/4
1/2
4.7
6" dia. x 15 ft.
354
206
29-3/4
21-3/4 10-7/8
6
48-1/2
9-3/4
5-1/4
1/2
5.5
6" dia. x 15 ft.
414
207
33
25
12-1/2
7
50-1/8 10-3/8 6-5/8
3/4
6.2
7" dia. x 15 ft.
458
208
36-1/4
28-1/4 14-1/8
7
50-1/8 10-3/8 6-5/8
3/4
7
7" dia. x 15 ft.
514
209
39-1/2
31-1/2 15-3/4
8
52
11
7-1/4
3/4
7.7
8" dia. x 15 ft.
550
210
42-3/4
34-3/4 17-3/8
8
52
11
7-1/4
3/4
8.5
8" dia. x 15 ft.
608
[1] 15' chimney height is from bottom of draft hood opening to top of chimney.
[2] Refer to the National Fuel Gas Code for equivalent areas of circular and rectangular flue linings.
Maximum Allowable Working Pressure - 30 PSI (Water Only)
[3] 202 only. Dimension 'G' includes allowance for 4" x 3" reducer furnished with boiler. See Figure 8.
Figure 1