
18
Double speed installation
1500mm flexible hoses available for XFR 48-2 and XFR 64-2.
LOW PRESSURE GAS SUPPLY
Gas supply pressure
P
G
identical to heater nominal inlet pressure (see tables on page 4).
GAS
GAS SUPPLY PRESSURE
G20
20 mbar
G31
37 mbar
Same accessories then medium pressure
except regulator
C
, not required.
A
VALVE DN15 SS PDC E/S Rp1/2
B
UNION FITTING R1/2m-G1/2m
C
DF64 G1/2 G31-37 4KG/H
DF64 G1/2 G20-20 3M3/H
D
FLEXIBLE HOSE G1/2f 1250mm
E
SLEEVE F/F G1/2
F
VITON WASHER G1/2
G
T FITTING MALE G1/2
A
B
C
D
E
F
F
G
D