Liberty Pumps SBX35A SumpBox Sump Pump System, 1/3HP Sump Pumps
Liberty Pumps SBX35A SumpBox Sump Pump System, 1/3HP Sump Pumps

SumpBox System w/ 1/3 HP Sump Pump, Alarm and 41 Gal. Basin, 1/3 HP, 115V

Liberty Pumps

Brand: Liberty Pumps

Mfr Part#: SBX35A

UPC#: 671812110234

Usually ships: within 5-7 business days
Qty Price
$504.00 / each & Free Shipping
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The Liberty Pump SumpBox SBX35A is a professional, fully-assembled groundwater protection sump pump system with a 1/3HP sump pump and a 41 gallon-basin. This sumpbox sump pump system features a Liberty Pumps Alarm ALM-2 with a vertical float. It has a max shut-off head of 25', a maximum flow rate of 35 GPM at 10' and can handle 1/4" solids. The Liberty Pump SumpBox SBX35A sump pump system has a discharge of 1-1/2" female NPT and is equipped with a safety overflow feature. The Liberty SBX35A SumpBox sump pump system is designed for new home construction and requires no tools to open. This sumpbox sump pump system has a pump cover securely bolted with stainless steel fasteners and an easy to service float switch, located in holders under the access cover.


  • Fully assembled;
  • Pre-mounted 1/3HP 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: 1/3HP;
  • Voltage: 115V;
  • GPM @ 10': 35;
  • Maximum (shut-Off) Head: 25';
  • Weigh: 50 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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