Worcester Highflow 400 RSF Installation And Servicing Instructions page 36

Fig. 35. Inner casing assembly.
Venturi connections
Fan outlet
Automatic
air vent
Fan assembly
mounting plate
Gas to water
heat-exchanger
Inner casing
Burner
assembly
Inner casing flexible Burner assembly
pressure connection fixing screws (2)
Ð +
Fan assembly
Venturi housing
located in fan
outlet
Flexible pipes (2)
Flue hood
Fan assembly fixing
Combustion chamber
cover fixing screws (4)
Combustion chamber cover
Spark electrode Spark electrode
Water to water
heat exchanger
Safety temperature
limiter thermostat
phial
Fan electrical
connections (2)
Fan assembly
screws (2)
Flue hood fixing
screws (2)
Pilot pipe
36
Securing clip
Thermostat
pocket
Thermostat
fixing
Sealing cover and
fixing screw
Pilot bracket and
fixing screws (2)
Pilot pipe union
nut
Pilot tube sealing
grommet
Spark electrode lead