50 Hz Sump Pumps

230-Series
230-Series-50 Hz

1/3 hp Poly/Aluminum Sump Pump

1/3 hp. 
1-1/2" NPT (~ 4 mm) Discharge
3/8" (~10 mm Solids Handling 

 

Click for 360 Spin


Cool running and efficient, the 230-Series features a deep-finned powder coated aluminum motor housing, polypropylene base and vortex style impeller.  Topped-off with a quick-disconnect power cord and Liberty's VMF switch (model 237) the 230-Series offers a superior value in a 1/3 hp pump.
230-Series
237HV-CN

1/3 hp Poly/Aluminum Sump Pump

1/3 hp. 
1-1/2" NPT (~ 4 mm) Discharge
3/8" (~10 mm Solids Handling 

 

Click for 360 Spin


Cool running and efficient, the 230-Series features a deep-finned powder coated aluminum motor housing, polypropylene base and vortex style impeller.  Topped-off with a quick-disconnect power cord and Liberty's VMF switch (model 237) the 230-Series offers a superior value in a 1/3 hp pump.
257
257HV-CN

1/3 hp Cast Iron Sump/Effluent Pump

1/3 hp. 
1-1/2" NPT (~38 mm) Discharge
1/2" (~13 mm) Solids Handling 


Click for 360 Spin

 

Rugged and dependable heavy-duty cast iron pump with powder coat finish.

Liberty's "workhorse" sump pump features a unique one-piece cast iron body, quick-disconnect power cord and three different switch options - including our Vertical Magnetic Float design (VMF) for smaller pits (model 257).

With a durable, epoxy powder coat finish and vortex style impeller, Liberty's 250-series pump is the perfect choice for low-head effluent pumping or basement de-watering.
450-Series
450-Series-50 Hz

1/2 hp Poly/Aluminum Sump Pump


1/2 hp.
1-1/2" NPT (~38 mm)  Discharge
3/8" (~9.5 mm) Solids Handling

 

Cool running and efficient, the 450-Series features a deep-finned powder coated aluminum motor housing, polypropylene base and vortex style impeller.  Topped-off with a quick-disconnect power cord and Liberty's VMF switch (model 457) the 450-Series offers a superior value in a 1/2 hp pump.
297-Series
290-Series-50 Hz

3/4 hp Cast Iron Sump/Effluent Pump


3/4 hp.
1-1/2" NPT (~38 mm) Discharge
3/4" (~19 mm) Solids Handling

 

Features:
  • Quick-disconnect 10' standard power cord allows replacement of cord in seconds without breaking seals to motor (other lengths available)
  • Permanently lubricated upper and lower bearings
  • Oil-filled, hermetically sealed motors with thermal overload protection
  • Stainless steel, removable bottom screen
  • Stainless steel rotor shaft
  • Stainless steel fasteners
HT450-Series
HT450-Series-50 Hz
1/2 hp High Temp Pump

 


1/2 hp 
1-1/2" NPT (~38 mm) Discharge
3/8" (~10 mm) Solids Handling

Features
  • 180 degrees Fahrenheit max fluid temperature
  • Oil-filled thermally protected motor
  • Permanently lubricated bearings
  • Powder coated finned aluminum motor housing
  • High temperature float
  • Stainless-steel fasteners

 
CSP-Series
CSP-Series

Crawl Space Sump Pump Kit



1/3 or 1/2 hp.
1-1/2" NPT (~38 mm) Discharge
3/8" (~10 mm) Solids Handling

Unassembled sump pump kit features a compact perforated basin, sump pump and hose kit. Available with 237, 457 or 257 pump. Applications include crawl spaces, low lying areas around foundations or anywhere water may accumulate.

 
PC-Series
PC237HV-CN-442-10A

Sump Pump Combo Series



1/3 or 1/2 hp.
1-1/2" (~38 mm) Discharge
3/8" - 1/2" (~10 mm - ~13 mm) Solids Handling

A fully assembled pump combination that features a primary 115 volt sump pump and the model 441 battery back-up pump.  Available with the 237, 257, 457 or S37 sump pump.

 
PC-Series
PC257HV-CN-442-10A

Sump Pump Combo Series



1/3 or 1/2 hp.
1-1/2" (~38 mm) Discharge
3/8" - 1/2" (~10 mm - ~13 mm) Solids Handling

A fully assembled pump combination that features a primary 115 volt sump pump and the model 441 battery back-up pump.  Available with the 237, 257, 457 or S37 sump pump.

 
PC-Series
PC457HV-CN-442-10A

Sump Pump Combo Series



1/3 or 1/2 hp.
1-1/2" (~38 mm) Discharge
3/8" - 1/2" (~10 mm - ~13 mm) Solids Handling

A fully assembled pump combination that features a primary 115 volt sump pump and the model 441 battery back-up pump.  Available with the 237, 257, 457 or S37 sump pump.