Navien NR-180 Installation Manual page 76

Gas Water Heater Installation
NO
91 Packing ring (3/4")
100 Bolt M4 x 12L (STS)
102 Screw D4 x 6L
104 Bolt D4 x 10L (STS)
107
108 Bolt M4 x 14L (STS)
109 Water pipe adapter (A, Screw)
110 Water pipe adapter (A, Clip)
111 T-type adapter (clip)
112 Freeze protect switch
113 Freeze protect S/W bracket
114 3-Way valve inlet pipe
118 Motorized 2-way valve
76
Description Navien Part No.
Bolt M3 x 5L
Remark
BH2406032A
BH1612007A
BH1705006A
BH1611006A
BH1603002A
BH1612008A
BH2507507C
BH2507508B
BH2507474B NP
"Non-A" Series
BH1402001A
"Non-A" Series
BH2505423A
BH2507536B NR-A
BH2507537B NP-A
BH0914002B NP, NP-A