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EQ / EQB
Installation diagrams
EQ / EQB
www.aosmithinternational.com
1
Pressure reducing valve
3
T&P valve
4
Stop valve
5
Non-return valve
6
Circulation pump
9
Drain valve
10 Gas cock
11 Isolating valve
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
D
Gas supply
E
Overflow pipe
H
Expansion vent pipe
A.O. Smith unvented system kits utilise
combination valves.
An EQ / EQB water heater should be
installed in accordance with local
standards and ventilation requirements
(category B11BS).
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" tab.
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