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ITS
Installation diagrams
Vented
Unvented
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1
Pressure reducing valve
3
T&P valve
4
Stop valve
5
Non-return valve
6
Circulation pump
9
Drain valve
11 Isolating valve
12 Temperature gauge
14 Hot water outlets
15 Expansion relief valve
16 Expansion vessel
17 Three way valve
18 Water tank
19 Float valve
A
Cold water
B
Hot water
C
Return circulation
F
Primary flow
G
Primary return
E
Over flow pipe
H
Expansion vent pipe
A.O. Smith unvented system kits utilise combination valves.
Further installation and connection details can be found
in the Installation & Commissioning Manual.
For the parts numbers of components please refer to the
"Maintenance and accessories" chapter.
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