Liberty Pumps 451 1/2 HP Automatic Submersible Sump Pump with Wide-Angle Float
Brand: Liberty Pumps | SKU: 451
Product Overview
The Liberty Pumps 451 is a 1/2 HP submersible sump pump with an integrally wired, mercury-free wide-angle float switch for automatic operation. Its powder-coated aluminum motor housing and polypropylene components keep the pump lighter than a comparable all-cast-iron build, while the vortex-style impeller handles small solids in a residential sump application. Check basin diameter, float clearance, and discharge plumbing before ordering.
Key Features
- Integral quick-connect wide-angle float switch
- 1/2 HP thermally protected, oil-filled motor
- Aluminum and polypropylene construction with powder-coated motor housing
- 1-1/2 in. discharge and 3/8 in. solids handling
- Replaceable quick-connect 10 ft power cord
Common Uses
- Automatic residential sump water removal
- Replacement of a compatible 450 Series sump pump
Technical Specifications
- Model: 451
- Motor: 1/2 HP, 115V, 7.3A
- Float: Integral wide-angle, mercury-free
- Discharge: 1-1/2 in.
- Solids handling: 3/8 in.
- Standard cord: 10 ft
- Weight: 12.5 lb
Dimensions
12.5 in. high × 9.6 in. major width; Liberty lists a 14 in. minimum sump diameter for this model.
Compatibility & Installation Notes
Provide enough room for the wide-angle float to travel freely without contacting the basin wall or other equipment. Follow Liberty’s manual for the check valve, discharge line, electrical connection, and float operation. Model 451-2 has the optional 25 ft cord.
Frequently Asked Questions
Does the 451 switch on automatically?
Yes. It has an integral wide-angle float switch.
Why Buy Liberty Pumps 451 from Big Frog Supply?
The 451 combines automatic float control and a serviceable quick-connect cord in a 1/2 HP 450 Series sump pump.
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