F10 - 9
Riello manometers and vacuum gauges do not require any adaptors, and can be safely
connected to the pump ports. An NPT (metric) adapter must be used when connecting
other gauge models.
SINGLE LINE (GRAVITY FEED SYSTEM)
A) The burner is shipped configured for use in single line applications. No changes to
the oil pump are required for use in single line applications.
NOTE: If the pump cover (1) is removed for any reason, be sure the O-ring (2), is properly
seated in the pump cover (1) before re-attaching the pump cover to the pump housing.
B) Connect the pipe connector to the SUPPLY PORT (6) of the pump. Attach the required
piping to this pipe connector. Be sure that the plug in the RETURN PORT (9) is tightened
securely.
6
5
4
8
2
3
1
4
D6179
9
SINGLE LINE SYSTEM - PIPE LENGTHS
H 3/8”OD 1/2”OD
FT M FT M FT M
1.5 0.5 33 10 65 20
3.0 1.0 65 20 130 40
5.0 1.5 130 40 260 80
6.5 2.0 195 60 325 100
NOTE: Do not exceed pipe lengths
indicated in chart.
H
P
D6009
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