Liberty Sump Pump Jet Water Powered Back Up Sump Pump: A Comprehensive Guide

The Liberty Sump Pump Jet Water Powered Back Up Sump Pump (Model SJ10) is a reliable, water-powered backup system designed to protect homes from flooding during power outages. With a maximum flow rate of 1200 GPH and the ability to pump up to 20 feet of head height, this pump offers an efficient solution for basement water management. Its unique water-powered operation eliminates the need for batteries or electricity, making it a dependable choice for homeowners seeking peace of mind during storms or emergencies.

What Are the Key Features of the Liberty SumpJet Water-Powered Backup Sump Pump?

The Liberty SumpJet Water-Powered Backup Sump Pump boasts several notable features:

  1. Water-powered operation (no electricity or batteries required)
  2. Maximum flow rate of 1200 GPH at 0 feet of head
  3. Ability to pump up to 20 feet of head height
  4. 3/4\” NPT inlet connection compatible with various pipe materials
  5. 1-1/2\” discharge port size
  6. Built-in screen with removable foot valve
  7. Adjustable stainless steel hose clamp for easy mounting

These features make the Liberty SumpJet an attractive option for homeowners looking for a reliable backup sump pump system.

How Does the Flow Rate Vary Based on Pumping Head?

liberty sump pump jet water powered back up sump pump

The flow rate of the Liberty SumpJet varies depending on the pumping head. Here’s a breakdown of the flow rates at different head heights:

Head Height Flow Rate (GPH) Flow Rate (GPM)
0 feet 1200 20
5 feet 1140 19
10 feet 990 16.5
15 feet 795 13.25
20 feet 615 10.25

As you can see, the flow rate decreases as the pumping head increases, which is typical for most sump pumps.

What Are the Dimensions and Weight of the Liberty SumpJet?

The Liberty SumpJet is designed to fit comfortably in most sump pits. Here are its dimensions and weight:

  • Height: 21.6 inches
  • Width: 5.1 inches
  • Length: 14.5 inches
  • Weight: 5-6 pounds

These compact dimensions make it easy to install and maintain in standard residential sump pits.

What Tools Are Required for Installing the Liberty Water-Powered Sump Pump?

To install the Liberty SumpJet, you’ll need the following tools:

  • Adjustable wrench or basin wrench
  • Teflon tape
  • Pipe cutter (if necessary)
  • SharkBite fittings (if using PEX tubing)

Having these tools on hand will ensure a smooth installation process.

What Are the Steps to Install the Liberty SumpJet?

Follow these steps to install your Liberty SumpJet:

  1. Verify that your municipal water supply provides at least 20 PSI of pressure.
  2. Ensure your sump pit is at least 18 inches in diameter.
  3. Connect the 3/4\” NPT water inlet to your municipal water supply using appropriate fittings and Teflon tape.
  4. Place the pump in the sump pit, ensuring it will be fully submerged during operation.
  5. Use the adjustable stainless steel hose clamp for secure mounting.
  6. Connect the 1-1/2\” discharge to your existing sump pump discharge line.
  7. Test the pump by simulating a power outage to ensure proper activation and water removal.

What Plumbing Modifications Are Necessary for Installation?

Generally, no complex plumbing modifications are required for installing the Liberty SumpJet. However, you may need to:

  1. Adjust the existing discharge line to match the 1-1/2\” discharge of the SumpJet.
  2. Ensure all connections are compatible with your residential plumbing system.
  3. Install a dedicated water supply line if one is not already available near the sump pit.

How Do Users Rate the Performance of the Liberty Sump Pump Backup System?

User reviews of the Liberty SumpJet are generally positive, with many praising its:

  • Reliable performance during power outages
  • Satisfactory flow rate for most residential needs
  • Automatic operation without the need for electricity or batteries
  • Ease of installation
  • Durable construction

However, some users have reported:

  • Issues with the float switch being flimsy
  • Problems with the spring-loaded check valve
  • Concerns about water removal speed in areas with lower inlet water pressures

What Maintenance Tasks Are Required for the Liberty SumpJet?

To keep your Liberty SumpJet in optimal condition, follow these maintenance tips:

  1. Regularly inspect the pump and its connections for security and debris.
  2. Check and clean the built-in screen and removable foot valve every 6-12 months.
  3. Inspect and clean the discharge line to prevent blockages.
  4. Test the pump periodically to ensure proper operation.

How Can Common Problems with the Liberty SumpJet Be Troubleshooted?

If you encounter issues with your Liberty SumpJet, try these troubleshooting steps:

  1. Pump Not Activating:
  2. Check water pressure (should be 20-100 PSI)
  3. Verify float switch functionality

  4. Reduced Flow Rate:

  5. Check inlet water pressure
  6. Inspect discharge line for blockages

  7. Leaks:

  8. Inspect all connections
  9. Ensure fittings are secure and watertight

By following these maintenance and troubleshooting tips, you can ensure your Liberty SumpJet continues to provide reliable backup protection for your home.

References:

  1. Build.com – Liberty Pumps SJ10 Sump Jet Water-Powered Sump Pump
  2. Sump Pumps Direct – Liberty Pumps SJ10 – SumpJet® Water Powered Backup Sump Pump
  3. Septic Solutions – Liberty SumpJet Water Powered Back-Up Sump Pump System

Leave a Comment