Baxi ecofour 24 F Operating And Installation Instructions page 28

Figure 20
Legend:
1 Water pressure switch
2 Automatic by-pass
3 Gas valve
4 Ignition / ame detection electrode
5 Central heating NTC sensor
6 Safety thermostat
7 Water-fumes exchanger
8 Fumes conveyor
INSTRUCTIONS FOR FITTERS
1.24 - 1.14
Heating Gas
delivery
10 Burner
11 Gas train with injectors
12 Expansion vessel
13 Pump and air separator
14 Boiler drain tap
15 Pressure gauge
16 Safety valve
28
DHW Heating
inlet return
9 Fumes thermostat
- en