AERCO SWDW68 U-Tube Double-Wall Heaters w/ECS - Manual (Page 82)

HE-
111 − DISASSEMBLY AND REASSEMBLY
Rev B Mar 2013 9-2
"A"
VIEW A-A
25
1
2
"A"
13
14
6
8
0
1
0 90
9
16
10
4
7
11
15
12
17
5
22
23
20
19 18
21
24
180°
26
27
25
23
FOR DW-45
FOR DW-24
& DW-68
Figure 9-1. Typical DW-Series Heat Exchanger