Liberty Pumps SBX280A SumpBox Sump Pump System, 1/2HP Sump Pumps
Liberty Pumps SBX280A SumpBox Sump Pump System, 1/2HP Sump Pumps

SumpBox System w/ 1/2 HP Sump Pump, Alarm and 41 Gal. Basin, 1/2 HP, 115V

Liberty Pumps

Brand: Liberty Pumps

Mfr Part#: SBX280A

UPC#: 671812110258

Usually ships: within 5-7 business days
Qty Price
$646.00 / each & Free Shipping
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The Liberty Pump SumpBox SBX280A is a fully assembled, groundwater protection sump pump system with a 1/2HP sump pump and a 41 gallon-basin-capacity. This sumpbox sump pump system features a Liberty Pumps Alarm ALM-2 with a vertical float. It has a max shut-off head of 37', a maximum flow rate of 56 GPM at 10' and can handle 3/4" solids. This sumpbox sump pump system features a pump cover securely bolted with stainless steel fasteners and an easy to service float switch, located in holders under the access cover. The Liberty SBX280A SumpBox sump pump system is designed for new home construction and requires no tools to open. The Liberty Pump SumpBox SBX280A sump pump system has a discharge of 1-1/2" female NPT and is equipped with a safety overflow feature.


  • Fully assembled;
  • Pre-mounted 1/2HP pump secured with torque-stops;
  • Unique removable 15 quart filter tray;
  • Safety overflow feature;
  • Schedule 80 PVC discharge, 1-1/2" female NPT;
  • Pump cover securely bolted with stainles steel fasteners;
  • Large 41 gallon capacity;
  • Easy access cover requires no tools to open;
  • Easy to service float switches located in holders under access cover;
  • Available with pre-set alarm.
  • Radon-Ready. Provision for 3" Vent Pipe (Pipe seal included, uninstalled);
  • (3) 4" Inlets;
  • Anti-float collar with "Staking" locators;
  • Alarm float;

Technical Specifications:

  • Horsepower: 1/2HP;
  • Voltage: 115V;
  • GPM @ 10': 56;
  • Maximum (shut-Off) Head: 37';
  • Weigh: 67 lbs.;
  • Basin Material: Rotationally molded polyethylene;
  • Covers and Filter Tray: Structural Foam;
  • Total basin capacity: 41 US Gallons;
  • Capacity per pump cycle: 9.3 US Gallons;
  • Filter tray capacity: 15 US Quarts;
  • Filter tray flow rates: up to 125 GPM;
  • Straining: 3/16";
  • Height: 18-3/4";
  • Width: 24";
  • Length: 32";
  • Inlets: (3) integrally molded. 4";
  • Access Cover: Sealed, hand tighten fasteners;
  • Pump Cover: Sealed, bolted stainless fasteners;
  • Discharge: 1-1/2" female NPT;
  • Vent: (Optional) 3" grommet seal, uninstalled;
  • Anti-float collar: Yes;
  • Construction cover: Clear, disposable;
  • Alarm: ALM-2 with vertical float;


3 years manufacturer's warranty
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