Filter
Top Products
23
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
u
s
h
B
u
t
t
o
n
T
o
R
e
s
e
t
S
w
i
t
c
h
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
c
i
t
s
e
m
o
D
S
p
a
c
e
h
e
a
t
i
n
g
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
c
i
t
s
e
m
o
D
S
p
a
c
e
h
e
a
t
i
n
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
e
t
S
w
i
t
c
h
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
c
i
t
s
e
m
o
D
S
p
a
c
e
h
e
a
t
i
n
g
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
c
i
t
s
e
m
o
D
S
p
a
c
e
h
e
a
t
i
n
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
e
t
S
w
i
t
c
h
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
c
i
t
s
e
m
o
D
S
p
a
c
e
h
e
a
t
i
n
g
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
P
h
a
s
e
I
I
I
-
c
i
t
s
e
m
o
D
S
p
a
c
e
h
e
a
t
i
n
g
1. Unit Circulator
2. Shut Off Valves
3. Flow Check Valve
4. System Circulator
Fig. 12: Primary Piping - Multi Units Installation