CALEFFI 573 Series - Installation Diagram

Installation diagram
6
Installation diagram
BACKFL
O
W
PRE
V
Series:
5
73
Sizes:
1/2”
-
S/
N
VEN T
BACKFL
O
W
PREV
Series:
5
73
Sizes:
1/2”
-
S/
N
VENT
Heating system application
BACKFL
O
W
PRE
V
Series:
5
73
Sizes:
1/2”
-
S/
N
VENT
Field testing installation
SUPPLY
Inlet test
valve
Upstream
shut-off
valve
Y-strainer
Upstream
test valve
573 series
FlowShield
DuC-AV
backflow
preventer
Downstream
test valve
Downstream
shut-off valve
SUPPLY
Air gap
Vent
Drain
Floor