P2
P1
16*
27
M1
1
Type plate, appliance
Type plate, pass boiler
28
S1
M
-
EN
Water connection
B
C
12*
10
11*
A
Water inlet (cold water)
B
Water outlet (hot water)
C
Outlet of the safety valve
Power supply
Control cable
5
28
A
7
9**
8
M30x1.5
M30x1.5
Hose nipple, outer diameter
20 mm
3x1.5 mm
2
max. 12x1 mm
2