Viessmann AQUAHOME 20-N Installation And Operation Manual page 39

CATALOGU
ITE
E
M
NUMBER
Bolt #6 – 20 x 7/8 in.
50 7224087
51 7286039 Motor (includes no. 50)
Bolt #6 – 20 x 3/8 in.
52 0900857
53 7231385 Motor plate
54 0503288 Bearing
55 7284964 Cam and gear
- 7331185 Drain Hose Adaptor Kit (includes 24 - 26)
56 7142942 Washings hose clip
57 7024160 Washings elbow
58 0900431 Washings hose clip
59 7170327 O-ring
60 0503228 Flow plug
- 7129716 Seal Kit, head (includes 61-66)
61 * O-Ring, 11.1 x 15.9 mm
62 * O-Ring, 19.1 x 23.8 mm
63 * O-Ring, 85.7 x 92.1 mm
64 * Rotor seal
65 * O-Ring, 9.5 x 14.3 mm
66 * Retainer (nozzle and Venturi)
67 7092642 Plug, Drain Seal
68 7129889 Spring
69 7116713 Clip
70 7170288 O-Ring, 23.8 x 30.2 mm
Turbine & Support Assembly (includes 71
- 7113040
and 72)
71 * Turbine support
72 * Turbine
DESCRIPTION
39
CATALOGU
ITE
E
M
NUMBER
73 7082053 Valve Body
74 7081201 Retainer, Nozzle & Venturi
75 * O-Ring, 6.4 x 9.5 mm
76 1202600 Nut
77 7081104 Housing, Nozzle & Venturi
78 7095030 Cone screen
79 1148800 Flow plug
7187772 Gasket kit - nozzle and Venturi
80
* Only housing and Venturi
81 0521829 Flow plug
82 * Cone screen
83 * Screen support
84 7170262 O-Ring, 28.6 x 34.9 mm
85 * Venturi float
86 7309803 Wire Harness, Sensor
87 7199232 Disk
88 7082087 Spring
89 7074123 Bolt
- 7331266 Head cover - set (includes 90 - 91)
90 7085263 Head cover
91 * Micro switch rest pin
92 7030713 Micro switch
93 7325702 Micro switch spacer
94 7070412 Bolt
Nozzle & Venturi Assembly (includes 77 -
* 7187065
85)
* 7290957 Venturi repair kit (2x75, 78, 80, 84)
¾" head assembly kit
* 7238921
DESCRIPTION