Baxi Fourtech Series - Page 61

61
926.116.5 - en
INSTRUCTIONS FOR FITTERS
1.24 F - 1.14 F
Legend:
1 Pump and air separator
2 Pressure gauge
3 Heating circuit extractable lter
4 Boiler lling tap
5 Check valve on automatic by-pass
6 Water pressure switch
7 Boiler drain tap
8 Safety valve
9 Gas valve
10 Gas train with injectors
11 Central heating NTC sensor
12 Ignition / ame detection electrode
13 Safety thermostat
14 Water-fumes exchanger
15 Fumes conveyor
16 Fan
17 Venturi tube
18 Positive pressure point
19 Negative pressure point
20 Air pressure switch
21 Burner
22 Expansion vessel
Figure 19
Heating
delivery
Gas
DHW
inlet
Heating
return
CG_2084 / 1001_1804