Fig. 201 Dual Top Evo Heater
1 Housing cover with inlet interfaces
2 Solenoid valve
3 Ventilation/overpressure valve
4Combustion air blower
5 Metal fibre evaporator
6 Heating air blower
7 Water inlet (cold)
8 Water outlet (hot)
9 Boiler
10 Insulating element
11 Heater housing
12 Heat exchanger
13 Combustion pipe
14 Water temperature switch
15 Water temperature sensor
16 Housing cover with hot air outlet
17 Air temperature sensor
18 Air temperature switch
19 Temperature switch for the heat exchanger
20 Electrical heating elements
21 Cooling air outlet
22 Motor for combustion and cooling air blower
23 Combustion air intake
24 Cooling air blower
25 Glow plug/flame monitor
26 Exhaust outlet
27 Control unit
28 Drain hose
29 Fuel line
30 Fuel pump