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8
A. Inlet: Cut Inlet stub on basin ½” back from the end
to allow for the connection of an inlet pipe using a
fl exible in-line pipe connector (4”).
B. Discharge: Connect the discharge pipe to the
check valve on the basin. IMPORTANT: Do not
reduce the discharge pipe size below that which
is provided on the pump. Sewage pumps should
not be smaller than 2". In some applications, it
may be necessary to increase the pipe size to
reduce friction losses.
Install the remaining discharge line. A union
should be installed to facilitate pump removal if
necessary. A check valve is required to prevent
the backfl ow of liquid after each pumping cycle.
A gate or ball valve should follow the check valve
to allow periodic cleaning of the check valve or
removal of the pump. The remainder of the discharge line should be as short as possible with a minimum number
of turns, to minimize friction head loss. Do not restrict the discharge below 2” in sewage applications. Larger pipe
sizes may be required to eliminate friction head loss over long runs.
C. Vent: A threaded 2” connection is provided on top of the cover which must be piped to the existing building vent, or
extended outside on its own standpipe. The vent size should be in accordance with applicable codes, but not less
than the discharge size.
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