V
TA
TA
TA
Shut-off valve
Pump
Room thermostat
Two way zone valve
Autoflow
Thermostatic valve
Automatic air vent
RT
TA
TA
TA
Small-medium size system
by-pass in central plant
Medium-large size system
by-pass on top of risers
TA
TA
TA
TA
mH
2
O
1
2
3
4
5
6
mH
2
O
1
2
3
4
5
6
mH
2
O
1
2
3
4
5
6
