Liberty Jet water Powered Sump Pump Back Up Emergency System

The Liberty SJ10 SumpJet Water-Powered Sump Pump Back-Up Emergency System provides dependable, battery-free protection against basement flooding during power outages.

Engineered for reliability and efficiency, the Liberty SJ10 SumpJet operates using municipal water pressure to remove water from a sump pit when the primary pump fails or power is lost. Designed for easy installation above the sump, this water-powered backup system offers automatic operation, corrosion-resistant materials, and dependable performance without the need for batteries or electricity. The SJ10 is an ideal safeguard for residential and light commercial sump systems.

• Model number SJ10 identifies the Liberty SumpJet Water-Powered Sump Pump Back-Up Emergency System.
• Designed to operate automatically using city water pressure to remove sump pit water during power or pump failure.
• Provides continuous protection against flooding — no electricity, batteries, or chargers required.
• Factory-assembled for quick installation and compatible with standard residential plumbing.

Technical Data & Specifications

• Manufacturer: Liberty Pumps
• Model Number: SJ10
• Product Type: Water-Powered Sump Pump Backup System
• Operation Type: Automatic (activated by rising sump water level)
• Power Source: Municipal Water Pressure (no electrical power required)
• Discharge Capacity: Removes up to 2 gallons of sump water per 1 gallon of municipal water (at 90 PSI)
• Inlet Water Pressure Range: Minimum 20 PSI to Maximum 100 PSI
• Discharge Pipe Size: 1-1/2 inch
• Water Inlet Connection: 3/4 inch NPT
• Material: Corrosion-resistant PVC and thermoplastic construction
• Mounting Type: Above sump pump basin (vertical installation)
• Operating Temperature: Suitable for typical municipal water system temperatures
• Flow Rate Example: At 60 PSI water pressure, removes up to 1,185 gallons per hour (GPH) at 10-foot lift
• Check Valve: Integrated backflow prevention and check valve design
• Float Type: Adjustable mechanical float for automatic activation
• Noise Level: Quiet, non-electric operation
• Installation Location: Residential basements, crawlspaces, or mechanical rooms
• Maintenance: Minimal — periodic testing recommended
• Compliance: ASSE 1003 and CSA B64.3 Backflow Prevention Standards
• Warranty: Liberty Pumps 2-Year Limited Warranty

Features & Benefits

• Provides emergency sump pumping protection during power outages or primary pump failure.
• Operates entirely on municipal water pressure — no batteries or electrical power required.
• High pumping efficiency — removes up to 2 gallons of sump water per 1 gallon of supply water at 90 PSI.
• Non-corrosive PVC and thermoplastic construction ensures long service life and reliability.
• Compact, above-sump design simplifies installation in new or existing systems.
• Built-in check valve and backflow prevention ensure system and water supply protection.
• Adjustable float automatically activates the pump when water level rises.
• Quiet, maintenance-free operation suitable for continuous standby protection.
• Ideal for basements, crawlspaces, and other flood-prone areas requiring dependable backup drainage.
• Backed by Liberty Pumps’ 2-Year Limited Warranty for peace of mind.