Riello BS2F-GPL Installation, Use And Maintenance Instructions page 49

Forced draught gas burners
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3.5
GAS FEEDING LINE
Key to lay-out
– Gas supply pipe
1
2
– Manual cock (charged to the installer)
3
– Gas pressure gauge (charged to the installer)
– Filter
4
5
– Gas pressure switch
6
– Safety valve
– Pressure governor
7
8
– Adjusting valve
M1 – Gas-supply pressure test point
M2 – Pressure coupling test point
20098824
1
2
3
M1
9
GB
4
5
6
7
8
Fig. 6
M2
20106930

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