To
system
2
1
From
system
2
3
4
2
Cold
water
fill
12
3
To
system
2
1
From
system
2
4
2
Cold
water
fill
INSTALLATION
To
system
2
1
From
system
2
3
4
2
Cold
water
fill
Primary Piping -Near Appliance Piping
Piping with diaphragm -
type expansion tank
Piping with closed -
type expansion tank
1. Circulator
2. Manual shut-off valve
3. Expansion tank
4. Auto fill valve
Piping with diaphragm - type expansion tank
(alternate circulator location)
Fig. 9
Fig. 9A
Fig. 9B