Utica Boilers H2OST Installation Instruction

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4
Model
Storage 
Volume
Dimensions
(Inches)
Piping Connections
Max. 
Working 
Pressure
Approx. 
shipping 
Wt.
Gals.
Ht. Dia.
Cold/Hot
In/Out
Heat Source
Supply/Return
(psi)
Lbs.
H2OST30
30
34.0
23.5
1
1
150
75
H2OST40
40
44.0
23.5
1
1
150
90
H2OST40L
42
36.0
28.0
1
1
150
90
H2OST60
60
62.0
23.5
1
1
150
115
H2OST60L
60
46.0
28.0
1
1
150
110
H2OST80
80
56.0
28.0
1
1
150
140
H2OST80C
80
56.0
28.0
1 ½
1
150
140
H2OST115
115
74.0
28.0
1
1
150
175
H2OST115C
115
74.0
28.0
1
150
175
HOT WATER BOOSTER / STORAGE TANKS
F
ully insulated 
steel tanks, 
including L4080B 
limit. Brass drain 
and T&P valves are 
factory installed. 
Dip tubes in tank 
located to circulate 
water through 
heat 
source and 
return to tank.