2.9
Overall dimensions and water fittings
DESCRIPTION
A
B
10
2.10
Water circuit
GAS
MI
RI
A
B
C
D
Water circuit drain cock
Water circuit temperature control
sensor
Safety thermostat temperature sen-
sor
Water circuit temperature gauge
sensor
MODEL
31 RAI
450
675
A
MI
RI
GAS Gas supply
45 RAI
154
mm
720
mm
B
C
D
CH flow
CH return
Fig. 2.7
Fig. 2.8