Weil-McLain SGO-W SERIES 3 OIL-FIRED NATURAL DRAFT WATER BOILER Boiler User Manual


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Piping with DIAPHRAGM Expansion Tank
FIGURE 7
Piping with CLOSED Expansion Tank
FIGURE 8
13
Connect Water Piping CONTINUED
Relief Valve
Pump
From
System
Isolation Valve
Isolation Valve
Isolation Valve
Automatic
Air Vent
Cold Water Fill
Relief Valve
Closed Type
Expansion Tank
Pump
To
System
From
System
Isolation Valve
Isolation Valve
Cold Water Fill
Alternate Location
To Diaphragm
Expansion Tank and
Fittings
To Diaphragm
Expansion Tank
and Fittings
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