Navien CR-180 Installation Manual page 55

I
Components Diagram & Parts List
WATE R WAY ASSEM B LY
CR
1 1 1 Ceramic heate r
1 08 H EAD SCREW ( D4X24L)
1 07 BOLT ( M 3X5L)
1 03 SCREW ( D4X 1 6L)
99 TAP SCREW ( D4X 1 4L)
97 T H . SC R EW (D4X 1 O L)
95 T H . SC R EW ( D4X6L)
93 T H . SC R EW (D4X 1 O L)
9 1 Packi n g (20AX2. 5t)
Back- u p ring
80
76 0-ring
75 0-ring
74 0-ring
73 0-ring
72 0-ring
6 2 Therm istor
6 1
H ig h - l i m it switch
60 Gas c h e c k port p l ate
59 Gas c h e c k port packi n g
5 8 Exhaust d uct
57 Exhaust d u ct packing
56 H ot water s u p ply adaptor
55 Wate r strai ner
54 Cold water i n let adaptor
53 Flow adjustment valve
52 Wate r f l ow sence
51 S i p h o n
5 0 S i p h o n hose
49 Siphon ring
48 Secondary heat exchaner
47 Packi n g
46 Faste n e r " 1 8A"
45 Faste n e r " D "
44 Faste n e r " F "
43 Faste n e r " E "
42 Wate r p i p e adaptor " B "
4 1 Wate r p i p e adaptor "A"
40 F/A valve outlet pipe
39 Secon d ary H/E supply pipe
H ot water su pply pipe
38
37 H/E c o n n ectin g pipe
36 Primary heat exchanger
28 B u rner B/K (R)
27 B u rner B/K ( L)
1 7 . 8X2 .4t
1 7 . 5X 2 . 7t
1 5 .8X2.4t
P 1 8
1 5 .8X2 . 7