A.O. Smith 110 User Manual
Installation and Service Manual Upsilon-Series
6
description components
figure 1.b
1
Air supply (for parallel flue connection)
2
Flue/Air supply (concentric)
3
Gas isolation valve
4
Service valves flow and return
5
Non-return valve
6
Flow/return header
7
Gas line
8
Low velocity header
9
Safety valve
10 Fill and drain valve
11 Automatic air vent low velocity header
12 Pocket for temperature sensor T10
13 Cascade manager
14 Frame
1
2
3
4
5
6
7
8
10 9
11
12
13
14