
MODENA S HE
28
EN
cod. 3541C360 - 04/2012 (Rev. 00)
4.2 General view and main components
fig. 33 - General view
Key
7
Gas inlet
10
System delivery
11
System return
14
Safety valve
32
Heating circulating pump
36
Automatic air vent
44
Gas valve
56
Expansion tank
81
Ignition/ionization electrode
114
Water pressure switch
186
Return sensor
191
Exhaust temperature sensor
193
Siphon
196
Condensate tray
278
Double sensor ( Heating)
350
Fan/Burner
10
7
11
44
193
32
114
14
36
186
56
191
196
350
81
278