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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.
D6179
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.
SINGLE LINE SYSTEM - PIPE LENGTHS
H
FT M
1.5 0.5
3.0 1.0
5.0 1.5
6.5 2.0
3/8" OD
FT M
33 10
65 20
130 40
195 60
1/2" OD
FT M
65 20
130 40
260 80
325 100
NOTE: Do not exceed pipe lengths
indicated in chart.
D6009
"1"-
/
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.
F10- 9