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Liberty Pumps 257 1/3-Horse Power 1-1/2-Inch Discharge 250-Series Cast Iron Automatic Submersible Sump/Effluent Pump with VMF Switch

Pumps up to 50 GPM
Maximum discharge head of 21-Foot
1/2-Inch solids handling

Liberty Pumps 257 is a 1/3HP Automatic Submersible Sump Pump with with magnetically operated vertical Waft VMF switch and 10ft power cord. Flip-on level of the no longer adjustable switch is 7″ and switch-off level is 3-1/2″. This pump can operate in a smaller 10″ diameter sump pit.The Liberty Pumps 257 has 1-1/2″ NPT discharge, 1/2″ solids-handling, 18′ shut-off head, a novel one-piece cast-iron housing and thermally safe permanently lubricated motor.For Sump and De-watering Applications simplest. This Vertical Magnetic Waft (VMF) model isn’t really useful for effluent applications because of their short On/Off cycle. Wide angle Waft models (Liberty Pumps 251 and 253) are better suited to effluent applications and are easily adjustable for various On/Off levels.For additonal protection, believe the addition of a back-up pump such as Liberty’s SJ10 SumpJet, in addition to an alarm such as Liberty’s ALM-2 in applications where lack of pump serve as may just lead to property damage. If an alarm is used, it should be attached to a separate electrical circuit.CAUTION Don’t let the pump run dry.
Pumps as much as 50 GPM
Most discharge head of 21-Foot
1/2-Inch solids handling
Efficient motor design reduces electrical usage by as much as 40-p.c
Features a magnetically operated VMF switch for smaller pits right down to a ten-Inch diameter and a 3 year guaranty

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