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Data subject to change INT/0808/EQ/02
Terms and conditions apply
, please refer to our website.
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.
EQ / EQB
Installation diagrams
EQ / EQB
