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OMNI by EconoHeat
Figure 16
Closed Type Expansion Tank
Circulation Pump
Return from System
Fill Valve
Cold Water Feed
Pressure Relief Valve
3/4 in.
Shutoff Valve
Supply to
System
Drain Cock
Figure 17
Discharge Type
Expansion Tank
Circulation Pump
Purger
Cold Water Feed
Shutoff Valve
Auto Air Vent
Drain Cock
S
R
S
R