Sectional View Booster Heater - Kärcher HDS 7/12 M Service Manual

6.22.4 Sectional view booster heater

12
11
10
9
8
1 Ignition electrodes
2 Fuel nozzle
3 Pressure plate
4 Flame ring
5 Burning chamber
6 Boiler floor
7 Boiler input
8 Air supply from burner blower
9 Boiler exterior, double-walled
10 Heating coil spiral, exterior
11 Heating coil spiral, interior
12 Exhaust nozzle, on-demand heater
English 5.906-432.0 Rev. 00 (06/15)
1
2
3
4
5
6
7
51