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11. BOILER DIMENSIONS & RATINGS
Figure 11.1: Dimensions and Tapping Locations
Table 11.1: Tapping Sizes & Functions
Tap ID
Size NPT
J
K
L
M
N
P
R
S
T
U
V
W
X
Table 11.2: Dimensions
Boiler
Model
"A"
63-03L
16-1/8
63-03
63-04L
20-3/8
63-04
63-05L
24-5/8
63-05
63-06
28-7/8
64-07
33-1/8
64-08
37-3/8
64-09
41-5/8
64-10
45-7/8
64-11
50-1/8
64-12
54-3/8
1-1/4"
1"
Tank Supply/Limit
1"
3/4"
3"
2-1/2"
3/4"
1/2"
3/4"
Primary Probe Low Water Cut-Off
3/4"
3/4"
3/4"
3/4"
Secondary Probe Low Water Cut-Off
"B"
37-1/4
39-1/4
43-1/8
45-1/8
BOILER DIMENSIONS & RATINGS
Steam
Skim Tapping
Tank Return
Boiler Drain
Supply
Return
Safety Valve
Gauge Glass
Primary Limit
Secondary Limit
Pressure Gauge
Dimensions (Inches)
"C"
"D"
28-1/8
36-3/8
30-1/8
Water
Skim Tapping
N/A
N/A
Boiler Drain
Supply
Return
Relief Valve
N/A
N/A
Primary Limit
Pressure/Temperature Gauge
Secondary Limit
N/A
"E"
"F"
5-5/8
6
5-1/8
7
6-5/8
8
6-1/8
9
7-1/2
10
8-1/2
12
45
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