30 Connecting the Oil Supply
5.3 Oil Supply
Single Pipe Gravity Feed System
The oil storage tank must be positioned so that the oil level does not exceed 4 metres above the level of the boiler oil pump and, in
addition, the oil level must be at least 300 mm above the oil pump. Where the maximum oil level in the oil storage tank exceeds 4 metres,
a head breaking device must be installed between the tank and the boiler oil pump.
Oil
Storage Tank
Min. 1 m
Max. 4 m
Min. 0.3 m
0.7 m
Oil Strainer and
Water Separator
Fire Valve
(BS 5410)
Boiler
Oil Filter
Oil
Pump
Head
Max. Oil Pipe Length
Φ10
Φ12
0.5 m 15 m 30 m
1.0 m 25 m 70 m
1.5 m 40 m 90 m
2.0 m 50 m 100 m
2.5 m 60 m 100 m
3.0 m 75 m 100 m
3.5 m 90 m 100 m
4.0 m 100 m 100 m
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