147
Appendixes
12.6.4 Waterway Assembly
45
43
53
51
52
54
55
56
32
29
28
58
12
11
13
10
21
9
8
7
6
5
1
30
31
37
27
24
22
14
15
16
17
20
36
35
34
33
38
4
2
3
39
40
41
18
26
25
19
23
57
42
47
46
44
50
49
48
#
Description
Service code Part #
Remark
1
Plate Heat Exchanger
30021098B
30021098*
2
Block Plate
-
20044475*
3
Block Plate Packing
-
20045394*
4
Heating Return Adapter Packing
-
20045397*
5
DW filter
-
30014683*
6
O-Ring (P25)
-
20032528*
7
Bolt (Ø4x10)
-
20038757*
8
Heating Return Adapter
-
20044488*
9
O-Ring (P28)
-
20022142*
10 Pump Inlet adapter
-
20049380*
11 Pump Packing
20044484A
20044484*
12 Circulation Pump
30023987A
30023987*
13 Fastener (Ø8)
20034617A
20034617*
14 Water Supplement Pipe
-
30026344*
15 O-Ring (P8)
-
20006963*
16 Check Valve
-
30015223*
17 Auto Feeder Valve
30016037A
30016037*
Summary of Contents for NFC-250/175H
Page 67: ...67 Venting for Combustion Air WARNING The vent installation detector Detectable Undetectable...
Page 149: ...Memo...
Page 150: ......