Supplied By www.heating spares.co Tel. 0161 620 6677
36
Tempra 12 / 18
0
5
1
2
3
4
6
98
63
145
8
14
81
9
32
56
20
44
7
82
49
34
5
87
27
22
19
29
16
31
50
43
fi g. 32
4.3 Hydraulic diagram
Key
5 -
Room sealed compartment
7 -
Gas supply
8 -
Central Heating fl ow outlet
9 -
Central Heating return inlet
14 -
Safety valve
16 -
Fan
19 -
Combustion chamber
20 -
Burner box
22 -
Burner
27 -
Copper heat exchanger
29 -
Tube fl ue outlet
31 -
Flue collector
32 -
Pump
34
- C.H. fl ow temperature sensor
43 -
Air pressure switch
44 -
Gas valve
49
- Overheat cu-off thermostat
50 -
Central heating limit thermostat
56 -
Expansion vessel
63 -
C.H. boiler thermostat
81
- Spark electrode
82 -
Rectifi cation electrode
87 -
Gas pressure test point
98 -
Main switch
145 -
Pressure gauges
