Technical data

5 Functional diagrams
1 Temperature and pressure relief valve
2 Expansion relief valve combined with check valve
3 Pressure limiting valve combined with strainer
4 DHW thermostat pocket
5 Expansion vessel
6 Secondary return connection
A Cold water mains inlet
B Balanced pressure cold water outlet
C DHW outlet
D Tundish
E Cylinder drain point
Vaillant Vantage 120/150/20012
Fig. 6
2
5
1
3
C
E
D
A
B
4
6
5.2 Functional diagram of the secondary connections
VIH 363/2