32
1
Water inlet
2
Hot water outlet
3
Heating delivery
4
Gas inlet
5
Heating return
6
8-bar safety valve
7
Non-return valve
8
Water heater
9
Fume outlet
10
Expansion tank
11
Automatic air bleed valve
12
Manual air bleed valve
13
Hot water circulator
14
System circulator
15
Manometer
16
Loading tap
17
Gas valve
18
3-bar safety valve
19
Drain tap
20
Boiler body
LEGEND:
WATER CONNECTION DIAGRAM
INSTRUCTIONS TO ASSEMBLE THE HOT WATER EXPANSION TANK KIT
- Empty the water heater
- Unscrew the blind plug on the high front part of the water heater
- Screw the hot water expansion tank
AIR INTAKE AND FUME EVACUATION
The type of installation and terminal position must comply with the provisions of the regulations in force (PRD
no. 412/93 and UNI 7129) and with local regulations, if applicable.
According to what provided by the construction standards of C-type boilers, the piping provided by the
manufacturer must be used, included in the catalogue under ACCESSORIES (see table).