Liberty Pumps 281-5 Effluent Sump Pump

Automatic Sump/Effluent Pump w/ Wide Angle Float Switch, 50' cord, 1/2 HP, 115V

Liberty Pumps

Brand: Liberty Pumps

Mfr Part#: 281-5

UPC#: 671812121100

Usually ships: within 5-7 business days
Qty Price
$266.70 / each & Free Shipping
Add to card Add to cart
  • Description
  • Literature
  • Reviews
  • FAQs

The Liberty Pump 281-5 is a 1/2HP automatic, submersible effluent sump pump with a wide-angle float. This sump/effluent pump has a single phase permanent split capacitor motor and a 50ft-long power cord. This Liberty effluent sump pump produces a max flow of 20 GPM at 30' and has a shut-off head of 37'. The Liberty 281-5 sump/effluent pump is ideal for pumping of drainage, effluent and waste water, and other non-corrosive/non-explosive liquids.


This effluent sump pump operates at 115V, 8.5 Amp and 60 Hz with a max fluid temperature of 140F. The Liberty 281-5 sump/effluent pump has a 1-1/2" discharge and can handle solids up 3/4. This sump/effluent pump covers a wide range of low-head to mid-head pump applications.


  • Vortex style impeller permitting passage of solids up to 3/4";
  • Cast iron pump housing with protective epoxy coating for corrosion resistance;
  • Oil-filled motor housing for lifetime lubrication and rapid heat dissipation;
  • 1/2 HP shaded pole motor with thermal overload protection;
  • Stainless steel screws, bolts and handle to protect against corrosion;
  • Mechanical seal (stainless steel spring, nitrile parts, carbon and ceramic faces) to assure maximum protection against pump failure;
  • Upper and lower sintered sleeve bearings for extended motor life;
  • Automatic operation with piggyback mechanical float switch with "ON" level at 13" and "OFF" level at 7";

Technical Specifications:

  • Discharge Size: 1 1/2" FNPT;
  • Solids Handling Capability: 3/4" dia.;
  • Listing: UL/CSA;
  • HP: 1/2;
  • Volts: 115;
  • Phase: 1;
  • Hertz: 60;
  • Amps: 8.5;
  • Flow @ 5': 62 GPM;
  • Flow @ 10': 56 GPM;
  • Flow @ 20': 42 GPM;
  • Thermal overload temp: 248F;
  • Minimum Sump Diameter: 14";
  • Shut-off Head: 37';
  • Cord Length: 50';
  • Height: 13"
  • Weight: 29 lbs;


3 years manufacturer's warranty
No reviews yet
Indicate an email address where you wish to receive the answer to your question.
Enter numbers shown above without spaces. This step helps us to prevent automatic submissions.
The following was added to your shopping cart: ×

Forgot Your Password?

Enter your e-mail address below.
You will receive an e-mail
with password reset instructions.


Estimate Delivery Date & Cost

Ship to Zip Code:
Qty (Optional):