Installation, Operation, And Service Instructions
5
Figure 16.
(b)
Piping connections with diaphragm expansion tank--- See Figure 17.
The cold water feed to the pressure reducing fill valve may be piped with 1/2
inch pipe.
Figure 17.
Closed Type Expansion Tank
Supply
to
System
Shutoff Valve
Fill Valve
Cold Water Feed
Return From System
Circulation Pump
Drain Cock
Pressure Relief Valve
S
R
3/4 in.
Shutoff Valve
Auto Air Vent
Cold Water Feed
Diaphragm Type
Expansion Tank
Circulator Pump
Drain Cock
Purger
S
R
