Navien CH-180 Installation Manual page 77

66 S/H Strainer
67 S/H Return Pipe
69 S/H Pipe 2
70 S/H Pipe 1
71 Siphon
72 Siphon Hose
73 Water Pressure Sensor
74 Secondary H/E Inlet Adapter
75 Circulation Pump
76 Drain Coke
77 Pump Bracket
78 Pump Packing
81 Fastener C
87 O-Ring (φ17.5x2.7t)
88 O-Ring (P16)
89 Back-up Ring
90 Packing Ring (3/4")
92 Pump Fastener
93 Clip A
94 Clip C
95 Screw D4 x 16L
97 O-Ring (φ24.8x φ17.8t)
98 Fastener B
99 Fastener D
100 Screw D4 x 8L
101 Bolt M4 x 16L
104 Bolt D4 x 10L (STS)
106 Bolt M4 x 12L
110 Screw D4 x 14L
114 Bolt M4 x 8L
119 H/E Packing
120 O-Ring (P16)
121 Fastener A
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