Main Components; List Of Components - Main Eco Compact Combi 25 Installation And Service Manual

4 Description of the product
4.3

Main components

Fig.7 Component descriptions
9
3
8
22
10
7
11
16
6
Fig.8 Hydraulic layout
Tab.16 Component descriptions
Key Description
1 Expansion vessel
2 Expansion vessel valve
3 Primary heat exchanger
4 DHW plate heat exchanger (not
on System Models)
5 Pump with automatic air vent
6 CH system pressure gauge
7 Fan assembly
8 Burner / door assembly
22
4.3.1
17
2
1
5
PN-0000262
20
13
21
Key Description
9 Flue sensor
10 Spark ignition electrode
11 Control box
12 Condensate trap
13 Safety pressure relief valve
14 Gas valve
15 Diverter valve motor (not on
System Models)
16 Boiler controls

List of components

18
19
4
23
15
12
14
Key
17
18
19
20
21
22
23
PN-0000388
Description
Flue adaptor
Heating flow sensor
Safety thermostat
Water Pressure Switch
Condensate outlet
Silencer
Hall effect sensor (not on Sys­
tem Models)