EV1EV1
EV2EV2
P.
O
UT
P.
O
UT
1 2 3 41 2 3 4
VENTVENT
RQRQ ADJ.ADJ.
7219708 - 01 (04/15)
EcoBlue System
21
Description of the Product
4
4.3
Main Components
1. Expansion Vessel (Note: This component
is at the left on 32 model)
2. Boiler Adaptor
3. Primary Heat Exchanger
4. Pump with Automatic Air Vent
5. Central Heating System Pressure Gauge
6. Fan Assembly with Venturi
7. Expansion Vessel Locating Stud
8. Flame Sensing Electrode
9. Air/Gas Collector
10. Spark Ignition Electrode
11. Combustion Box Cover & Burner
12. Control Box Display
13. Condensate Trap
14. Safety Pressure Relief Valve
15. Gas Valve
16. Boiler Controls
17. Boiler Control Box
18. Boiler Drain Tap
19. Heating Flow Sensor
20. Safety Thermostat
21. Igniter
3
7
14
4
6
9
10
11
12
17
1
2
18
15
19
20
21
8
16
13
5
