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6.4 Electrical components
Key:
1 - Control panel model F047
2 - Safety thermostat
3 - ON-OFF switch with fuses
4 - Electronic board
5 - Power cable
6 - Vacuum switch
7 - Fume probe
8 - Room probe
9 - Serial connection
10-Water probe
6.5 Plumbing components
Key:
1- Membrane expansion tank
2- System drain cock
3- Safety valve
4- System filling connection
5- Heating circulating pump
6- Heating chamber - pump return
7- Pressure transducer
8- Expansion tank connection
9- Air venting valve
10- Delivery pipe
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