Supplied By www.heating spares.co Tel. 0161 620 6677
35
Tempra 12 / 18
4.2 Overall view and main components
Key
5
Sealed compartment
7
Gas inlet
10
Central heating outlet
11
Central heating inlet
14
Safety valve
16
Fan
19
Combustion chamber
20
Burner assembly
21
Main nozzle
22
Burner
26
Combustion chamber
insulation
27
Copper heat exchanger
29
Flue gas outlet manifold
32
Central heating pump
34
Central heating
temperature sensor
36
Automatic air vent
43
Air pressure switch
44
Gas valve
49
Safety thermostat
50
Central heating limit
thermostat
56
Expansion vessel
63
Central heating
temperature adjustment
74
Filling cock
81
Ignition electrode
82
Detection electrode
84
1
st
gas valve operator
85
2
nd
gas valve operator
98
Off –On - Reset switch
145
Water pressure gauge
0
5
1
2
3
4
6
98
63
145
11
7
7
14
84
85
44
32
36
26
19
50
27
16
56
43
29
49
28
5
82
81
22
20
21
34
fi g. 31
