73
1
2
3
4
5
6
7
8
9
Fig..2
1.4
MAIN COMPONENTS
1.4.1 SOLO 25 BF TSE version (fig. 2)
1
2
3
13
12
11
11
9
6
7
8
5
4
10
14
Fig..2/a
1.4.2 DUETTO 25 BF TSE version (fig. 2/a)
KEY
.
1. Gas-oil.burner
. 2. Bulb.housing.sheath
.
3. Control.panel
. 4. Filling
. 5. Water.pressure.transducer
. 6. Hydrometer
. 7. C.H..pump
. 8. Air.intake.for.airtight.burner
. 9. Safety.thermostat
KEY
. 1. Gas-oil.burner
. 2. Bulb.housing.sheath
. 3. Control.panel
. 4. Instant.tank
. 5. Filling
. 6. Tank.pump
. 7. Water.pressure.transducer
. 8. Hydrometer
. 9. C.H..pump
.10. Air.intake.for.airtight.burner
11. Control.valve
12. Air.vent.valve
13.
D.H.W..
pressure
14. Safety.thermostat