IT
Installation diagrams
2 Protected cold supply setup
3 T&P valve
4 Stop valve
5 Non-return valve
6 Circulation pump
A Cold water
B Hot water
C Return circulation
F Primary flow
G Primary return
The IT 300 and 400-1000 is also available in unvented version.
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.
IT 300
IT 400-1000
