Delta Performance PG-25 - Page 33

26
Primary Piping
Recommended placement of expansion tank and make up water supply.
To the System
From the
System
12"
Max.
1
2
3
1
2
3
4
2
2
2
1
2
3
Primary
Heating
Primary
Temperature/Pressure
Domestic
Heating
TriangleTube
Hot Water Specialists
P
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B
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t
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T
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R
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P
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I
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I
-
P
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I
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I
-
P
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Primary
Heating
Primary
Temperature/Pressure
Domestic
Heating
TriangleTube
Hot Water Specialists
P
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s
h
B
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t
o
n
T
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R
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s
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m
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D
S
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g
Primary
Heating
Primary
Temperature/Pressure
Domestic
Heating
TriangleTube
Hot Water Specialists
P
u
s
h
B
u
t
t
o
n
T
o
R
e
s
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P
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P
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1. Appliance Circulator 2. Shut Off Valves 3. Flow Check Valve 4. System Circulator
Fig. 16: Primary Piping - Multi Units Installation