31
T1
Non-return valve
Ball valve
Temperature gauge
B
preventer
Pump
Expansion vessel
Thermostat
Safety relief valve
Strainer
Clock
T
T1
T2
T2
°C
0
20
8
0
6
0
4
0
°C
0
2
0
8
0
60
4
0
Application diagrams
Recirculation not connected to tank
Recirculation connected to tank
