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15
30
60
0
4
2
ps
i
ba
r
Shut-off valve
Ball valve
BALLSTOP
Thermometer
Differential by-pass valve
Flow switch
Zone valve
Pump
FlowCal
™
Flow meter
Temperature probe
Safety thermostat
Regulator
Expansion vessel
3-way valve
Pressure switch
Control pocket
Gas filter
Gas regulator
Air separator
Fuel shut-off valve
Anti-vibration joint
Sensor pocket
Safety valve
Y-strainer
P
A
T
F
T
T
T
T
P
A
F
BACK
FL
OW
PREV
Series
:
5
73
Sizes:
1/2”
-
3/4
”
S/
N
VENT
45
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15
30
60
0
4
2
ps
i
ba
r
Shut-off valve
Ball valve
BALLSTOP
Thermometer
Differential by-pass valve
Flow switch
Zone valve
Pump
FlowCal
™
Flow meter
Temperature probe
Safety thermostat
Regulator
Expansion vessel
3-way valve
Pressure switch
Control pocket
Gas filter
Gas regulator
Air separator
Fuel shut-off valve
Anti-vibration joint
Sensor pocket
Safety valve
Y-strainer
P
A
T
F
T
T
T
T
P
A
F
BACK
FL
OW
PREV
Series
:
5
73
Sizes:
1/2”
-
3/4
”
S/
N
VENT
45
Caleffi North America, Inc.
3883 West Milwaukee Road
Milwaukee, WI 53208
T: 414.238.2360 F: 414.238.2366
2-12-15
Application diagram
Replacement parts
NA103
Replacement gauge 0–60 psi/0–4 bar, ¼" NPT
F59650
AutoFill™ 553 series replacement cartridge
NA10197
AutoFill™ clear plastic disc cover
