High
pressure
connection
Water inlet
1 Float valve, water inlet
2 Water tank
3 Control valve, detergent
4 High pressure pump
with integrated unloader valve
54
Pipeline plan
Safety valve
S 250
Safety valve, number
5 must be set approx.
15 % higher than the
unloader valve on the
HP pump
5 Safety valve for heating coil
6 Excess pressure line, safety valve
7 Fuel pump with solenoid valve
8 Fuel filter
9 Fuel tank