Liberty 257 250 Series Cast Iron Sump/ Effluent Pump 1/3 HP with VMF Float

The Workhorse Sump Pump for Narrow Pits: Liberty 257 1/3 HP

The Liberty 257 is part of the 250-Series “workhorse” line, featuring a **Vertical Magnetic Float (VMF)** switch that allows reliable operation in tighter sump pits. With the same robust cast iron body, vortex impeller, and corrosion-resistant finish, the 257 is a premium choice for dependable dewatering. 

Key Features & Benefits

• VMF vertical magnetic float — ideal for smaller or narrow pit applications 
• One-piece cast body, epoxy powder coated for durability 
• Vortex impeller with 1½ discharge and ½ solids handling capacity 
• Quick-disconnect power cord for easy removal or replacement 
• Thermal overload protection and sealed motor system for reliability 

Specifications

With its VMF switch and rugged build, the 257 is a top pick for sump pits where space is constrained or float action is critical.

Model: 250
HP: 1/3
Volts: 115V
Phase: 1
Amps: 5.2
Vertical Magnetic Float
Shut Off Head: 22 ft
Impeller: Vortex

Height: 10.5"
Major Width: 9.6"
Weight: 21 lbs.