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Submersible Water Pumps
By Liberty Pumps

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Customers who have purchased submersible pumps have also been:
to home water supply booster pumps - to Little Giant submersible effluent pumps - to Zoeller submersible pumps
to water removal systems - to compact automatic drain pumps - to basement sewage removal systems
to crawl space sump pump systems - to many more pumps - to high water alarms
to flexible PVC pipe (spa flex) - to PVC ball valves - to PVC fittings
to sump pump check valves - to VersaFlo® circulator pumps

Low rates and easiest to calculate/understand shipping/handling for submersible pumps

These submersible pumps are designed for work; from the low maintenance motor to the high-tech vortex impeller, these pumps are built to last, and with one of the lowest suction clearances available, these submersible pumps are great for shallow sump applications.

Submersible Pumps - 230 Series
Liberty Pumps 230 Series Submersible Pumps
Liberty Pump Model 237 Shown
This Submersible Pump Features:
  • Aluminum motor housing cools the motor over 200% more efficiently than cast iron and it weighs less too
  • Vortex style impeller , made of quality high temperature engineered thermoplastic, permits passage of solids without clogging
  • Polypropylene and powder coated aluminum construction adds durability to your pump
  • Stainless steel rotor shaft won't rust
  • All fasteners are non-corrosive stainless steel
  • Hermetically (airtight) sealed motors - no need to change or add oil
  • Thermal overload protection
  • Permanently lubricated upper and lower bearings
    - makes pump last longer and require less maintenance
  • Unitized shaft seal - standard spring loaded parts work well to keep pump components together
  • Quick-disconnect 10' standard power cord allows you to replace your power cord without harming the motor
  • Removable base allows suction down to 1/8"
  • Max temperature for pumped water: 140°F
  • 1-1/2" IPS for the discharge opening
  • 3/8" solids handling - pump can handle small debris
  • Weight: 11 LBS.
  • Height: 10.5"
  • Major Width: 9.6"
  • Minimum sump diameter: 14" (10" on model 237)
  • 1/3 hp. 60Hz
  • 115V 3450 RPM
  • 5.2Amps
  • Click here for performance curve
Model# Description Turn On Point
(water depth)
Turn Off Point
(water depth)
Price & Quantity
230 Pump with manual turn on - no switch manual manual $134.55
231 Pump with quick-disconnect wide-angle float 9-1/2" 3-1/2" $147.20
233 Pump with wide-angle float with series plug (allows for manual operation of pump) 9-1/2" 3-1/2" $154.12
237 VMF Switch, magnetically operated (for smaller pits down to 10" diameter) 7" 3-1/2" $136.66

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Submersible Pumps - 450 Series
Liberty Pumps - 450 Series Submersible Pumps
Liberty Pump Model 457 Shown
This Submersible Pump Features:
  • Lightweight aluminum motor housing cools the motor over 200% more efficiently than cast iron
  • Vortex style impeller permits passage of solids without clogging.
  • Made of quality high temperature engineered thermoplastic to make your pump strong
  • Quick-disconnect 10' standard power cord allows replacement of cord in seconds without breaking seals to motor
  • Polypropylene and powder coated aluminum construction
  • Stainless steel rotor shaft won't rust over time
  • All fasteners - non-corrosive stainless steel so your pump will last
  • Hermetically sealed motors - never have to change oil
  • Thermal overload protection
  • Permanently lubricated upper and lower bearings - needs less maintenance
  • Unitized shaft seal - uses powerful springs to keep the parts of the pump together
  • Removable base allows suction down to 1/8"
  • 1-1/2" IPS discharge
  • 3/8" solids handling
  • Weight: 12.5 LBS.
  • Height: 12.5"
  • Major width: 9.6"
  • Minimum sump diameter: 14" (10" on model 457)
  • 1/2 hp. 60Hz
  • 115V 3450 RPM
  • 7.5Amps
  • Click here for performance curve
Model# Description Turn On Point
(water depth)
Turn Off Point
(water depth)
Price & Quantity
450 Pump with manual turn on - no switch manual manual $169.15
451 Pump with quick-disconnect wide-angle float 12" 6" $182.75
453 Pump with wide-angle float with series plug (allows for manual operation of pump) 12" 6" $188.79
457 VMF Switch, magnetically operated (for smaller pits down to 10" diameter) 9-1/2" 3-1/2" $172.45

- Or -Click here to view items already in your shopping cart

Frequently Asked Questions

"What does the thermal overload protection do for my pump?"
The thermal overload protection is a built-in safety feature just in case the pump becomes overheated (clogged up by leaves, debris, etc). It will turn off the pump if it starts to overheat. Then, when it cools down, it will turn the pump back on.

"What is the minimum sump diameter?"
The minimum sump diameter is the amount of clearance you need around your pump so that it will run without problems. Note: for automatic models, if the diameter is too small the float switch could get caught and the pump could be turned on when it should be shutting off.

"What is a VMF switch?"
A VMF (vertical magnet float) switch is an alternative to the normal float switch that turns on most automatic pumps. The VMF switch uses a magnet instead of a ball in the float. Since the VMF switch only moves up and down, it requires less room to turn the pump on and off than the normal float switch. This means it only needs a 10" diameter instead of a 14" diameter clearance, so it can be placed in a smaller hole to pump out water than the other pumps.

"What are these pumps generally used for?"
These pumps are designed to pump water around your home. For example, if you have a basement or other areas around your home that flood, then you can use one of these pumps to pump water out. You can also use it to pump water out of your pool, or for gray water. Please note: these pumps are not designed to pump sewage.

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