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The liberty sj10 - sumpjet® water powered backup sump pump (990 gph @ 10') is available for purchase today.

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Liberty SJ10 - SumpJet® Water Powered Backup Sump Pump (990 GPH @ 10')

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Liberty Pumps Sump Pumps and AccessoriesModel: SJ10
(Based on expert analysis, manufacturer ratings and customer reviews)
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5
52 Reviews
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  • Features
  • Specs
  • 5
    Q&A 
  • 52
    Reviews
  • Articles
  • Shipping
  • Accessories
Style
Back-up Sump Pumps
GPH
1200
Gallons
HP

Horse Power
Switch Type
Vertical Float Switch


Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."

SumpJet® Water Powered Backup Sump Pump
Protect your basement in the case of a power outage

Requires No Electricity To Operate
Powered by your municipal water supply
Requires an uninterrupted water source to operate
Will NOT work with homes supplied by well pumps

How It Works
Water under pressure will flow through the SumpJet®
Creates a vacuum and causes the water to be drawn out

Fully Automatic Design
Removes 2 gallons of sump water per 1 gallon used

Accepts 20 PSI up to 100PSI Inlet Supply Pressure
Performance varies w/ inlet water source/pressure & pumping head

3/4 " NPT Water Inlet Connection & 1-1/2" Discharge
Compatible with most residential plumbing systems

Please Note - All output specified is based on 60 PSI (Inlet)

3-Year Warranty


Need Help? Ask Our Sump Pump Experts.
Base
Min Sump Basin Size
18 Inch
Pump
Housing Material
Thermoplastic
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
1200
GPH @ 5 feet
1140
GPH @ 10 feet
990
GPH @ 15 feet
795
GPH @ 20 feet
615
Discharge Port Size
1-1/2 Inch
Built-in check Valve
Yes
Manual Override
Yes
Overview
Weight
6 Pounds
Product Width
5.1 Inches
Product Height
21.6 Inches
Consumer Warranty
3 Years
UPC
671812113655
Model
SJ10
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  5 Questions
Q: Can you use shark bite connectors with this unit
by Mike T from Michigan on August 13, 2016

A: Per the SJ10 manual:

The inlet of the SumpJet® is factory equipped with a SharkBite® push-type fitting. This fitting can be used with various approved 3/4-inch potable water tubing and pipe, such as PEX tubing (ASTM F876, CSA B137.5), copper pipe (ASTM B 88), or Copper Tube Size (CTS) CPVC pipe (ASTM D 2846, CSA B137.6). Follow the instructions below for connecting the municipal water line to the SharkBite®. For more details on using the SharkBite® go to www.cashacme.com.

If you have any other questions, please let me know.
by Jim, Product Expert
Q: I have 2 sump pumps in our basement and they are electric don't have any flooding problems just scared if a storm hit and knock out all power the pumps want work. So will a waterpowered or battery backup work which is better and will I have to replace my pumps with either one .
by Ina Tillman from Kansas on July 04, 2016

A: Ina,

First questions first,

How high vertically & how far horizontally are you pumping?

What size basin do you have?

The water powered backup pumps do work. However, they do use a decent amount of water to operate. You should also check with your local municipality to make sure water powered backups are approved.

The battery backup systems are a much more popular pump. They will run off the battery when the power goes out.

by Jim, Product Expert
Q: have liberty waterpowered sump model 5710 what is the capacity on this model
by Fred R from Kentucky on March 17, 2014

A: Thank you for your interest in Sump Pumps Direct. The pumping capacity on the Liberty SJ10 Water Powered Backup Sump Pump really depends on your water pressure(PSI). Minimum required water pressure for this pump is 30PSI. At 30PSI, you will get approximately 990GPH @ a 10' head. If you water pressure is greater, your pumping capacity will also increase.
If you have additional questions, please let me know.
by Jim, Product Expert
Q: Which is better, a battery back-up system or a water back-up system?
by Linda L from Kentucky on February 06, 2014

A: Depending on the water table in your area and the potential for flooding you could go either way. If your water removal needs are below average, you could elect to go with a low GPH rated battery backup sump pump or water powered backup. Please note that water powered systems will only work with a minimum of 20-40 PSI. They will not work if you draw your water from a well. The typical water powered system would provide between 300-1000GPH of pumping capacity. If you're in a little higher water table that the flooding potential is a bit higher, you may want to consider a battery backup system rated at between 1000-2300GPH. If the flooding potential and water table are very high, you might look at the systems rated at 2400GPM and higher. You should also check with your local municipality to make sure that they are allowed as some municipalities have outlawed them as they do waste water in a sense.
by Jim, Product Expert
Q: Hi Jim,

I'm looking at the Liberty built SJ10 pump to work as a backup as we have had issues with water in the basement in the past. After reading some of its literature, I noticed it needs a minimum of 20 PSI of municipal pressure to work. Is there a way to check for this before ordering this product? Also it's advertised as pumping 990 gph/10'. What does this mean? In your experience is this a well built pump or are there better out there as a back-up and for similar money? I have read a few negative reviews about the float switch being very cheap and flimsy and the spring loaded check valve not operating correctly. Also, there has been a review stating it doesn't remove enough water fast enough. I'd love to hear what you think!

by Michael from Michigan on August 09, 2012

A: You might try contacting a local licensed plumber or look at purchasing an inline pressure gauge to install at your spigot that would give you a good idea of your water pressure. The 990GPH/10' means that the Liberty model SJ10 will pump water up 10 feet at a rate of 990 gallons per hour or 16.5 gallons per minute (GPM). Liberty is one of the top manufacturers of pumps in the U.S. and their product is very well built and designed. While there may be better, more expensive systems out there, we currently offer only two water powered backup systems. This and the Bur-Cam model 300402.
Depending on the water table in your area and the potential for flooding, you could go with a water powered or battery backup sump pump system. If your water removal needs are below average, you could elect to go with a low GPH rated battery backup sump pump or water powered backup. Please note that water powered systems will only work if you have a municipal water supply with a minimum of 20-100 PSI. They will not work if you draw your water from a well. A low output system would provide between 300-1000GPH. If you're in a little higher water table that the flooding potential is a bit higher, you may want to consider a battery backup system rated at between 1000-2300GPH. If the flooding potential and water table are very high, you might look at the systems rated at 2400GPM and higher.
by Jim, Product Expert
Liberty Pumps SJ10 Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
4.7 out of 54.7 out of 54.7 out of 54.7 out of 54.7 out of 5
Pros
I'd Buy It Again (13)
Price (10)
Exceeded Expectations (7)
Easy To Use (6)
Quiet (6)
Cons
It Doesn't Keep Up With ... (1)
Delivery (1)
Low Quality (1)
Loud (1)
This Is A Great Company ... (1)
98% of respondents would recommend this product to a friend
52 Reviews  Sort by 
 
Gene N.
Lexington, KY
Purchased from Sump Pumps Direct
Purchased 3/6/15
Total Helpful Votes
18 Helpful Votes
Most Helpful Positive Review
REVIEWED
JUN.
07
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Awesome Backup Device
After extensive research, I bought the Liberty SJ-10 SumpJet Water Powered Backup Pump, from Sump Pumps Direct. I wanted a Backup system that would function if the power went out (or a pump failure) on my primary pump. Especially if I was away from home. The price was very reasonable, great shipping, and the installation was straightforward for anyone with basic knowledge of plumbing.

It works great (as advertised) and gives peace of mind that my basement will not flood. I've tried the... more
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Pros: I'd Buy It Again, Exceeded Expectations, Quiet, Reliable
Gene Recommends This Liberty Pumps Product
Was this review helpful?
180
William C.
Lake View, NY
Purchased from Sump Pumps Direct
Purchased 8/29/14
Total Helpful Votes
13 Helpful Votes
REVIEWED
SEP.
19
2014
4 out of 54 out of 54 out of 54 out of 54 out of 5
Needed A New Water Powered Backup
My old water powered backup was 14 years old and was not functional for the last year or more, maybe longer. I was going to anti up for the more expensive ceiling mounted base pump rb750, but I was talked into the liberty when a local plumbing outfit told me he's had nothing but success with this liberty sj10. I decided to go with it based on that additional nudge, the write ups here on sump pumps direct and the fact that the sj10 would be an easier install.

I also bought a new liberty 250... more
View Image
Pros: I'd Buy It Again, Exceeded Expectations, Quiet
William Recommends This Liberty Pumps Product
William's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Already recommending you to my friends!"
 more
Was this review helpful?
130
Greg H.
Bloomington, IL
Purchased from Sump Pumps Direct
Purchased 6/8/15
REVIEWED
JUL.
01
2015
4 out of 54 out of 54 out of 54 out of 54 out of 5
Works Like It Should
Works great so far. Only had it installed about a month now.
View Image
Greg Recommends This Liberty Pumps Product
Was this review helpful?
10
David D.
Kirtland, OH
Purchased from Sump Pumps Direct
Purchased 10/20/16
REVIEWED
DEC.
01
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Works Great
Easy to install. Product does work perfect. Now I can go on vacation and not worry about having water in my basemen
Pros: I'd Buy It Again, Easy To Use, Light Weight
David Recommends This Liberty Pumps Product
Was this review helpful?
00
Jamye P.
Ellicott City, MD
REVIEWED
AUG.
01
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Verified Sucess
On 07/30/16, our town (Ellicott City, Maryland) experienced an epic rainstorm and flash flood. One that apparently only happens once a millennium. As usual, our power went out and the main sump pump was not operational. The Lliberty pump kicked in and saved the basement.

In all the storm delivered 6 inches of rain in less than 2 hours. The pump worked great. We only had minor amounts of water that leaked in through the door. Two of my neighbors had over 2 feet of water. Best $200.00 bucks... more
Jamye Recommends This Liberty Pumps Product
Was this review helpful?
20
Robert B.
Howell, MI
Purchased from Sump Pumps Direct
Purchased 4/5/16
REVIEWED
APR.
29
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Easy To Install-hard To Test
Quick delivery! Had to install on board above the basin due to lack of room. This makes it more difficult to test because the float is above basin inlet. Pump seemed to pump faster than my original water back-up pump (identical to Bur-Cam model 300402), but sometimes makes a noise when shutting down. It's as if the water shut off is not completely engaged. Manually activated several times and it appears to be working OK. Wish it was easier to test with my set-up. Too soon to accurately... more
Robert Recommends This Liberty Pumps Product
Was this review helpful?
20
Don P.
Erie, PA
Purchased from Sump Pumps Direct
Purchased 2/19/16
REVIEWED
MAR.
15
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good So Far
This back up pump was recommended to me by my plumber who happens to be a friend. I asked him if I could order it myself from SumpPumpsDirect, he said that if I could save money by all means. When I told him what I was able to get it for, he said to order it because he couldn't get it cheaper.

He installed the pump a few days later. It looks great and the design seems to be perfect for a back up system that doesn't rely on any power to work. I have used a battery back up for years but... more
Don Recommends This Liberty Pumps Product
Was this review helpful?
20
David H.
Ransomville, NY
Purchased from Sump Pumps Direct
Purchased 3/31/16
REVIEWED
JUL.
14
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Worries Over!!
I live in a frequent power outage area and have experienced basement flooding. I purchased a generator a while back which worked great if I was home when the power went out however, that's not always the case. I researched battery backup sump units but was worried about failure and expense of battery upkeep. I finally settled on the Liberty water powered sump. I did the install myself which was relatively easy if you have any experience with plumbing and PVC. I can now leave the house and not... more
David Recommends This Liberty Pumps Product
Was this review helpful?
10
Rick H.
Ofallon, MO
REVIEWED
MAY.
12
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
After Backup Sump Shuts Off Noise Heard
After my SJ-10 backup sump pump shuts off it makes a noise for several seconds like water shutoff not completely shutting down. What can cause this & what is wrong.
Rick Recommends This Liberty Pumps Product
Jim, the Sump Pump Expert
Product Expert
Rick,
For these types of systems, there is going to be some noise because you're using water pressure to pump water. I'd suggest making sure that it has been installed correctly. For advanced trouble shooting, it would be best to contact Liberty Pumps directly @ (800) 543-2550.
more
Was this review helpful?
10
Tom F.
Fort Wayne, IN
Purchased from Sump Pumps Direct
Purchased 9/18/16
REVIEWED
OCT.
18
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Excellant Product
I was worried about the battery backup we have had since our home was new. My plumber recommended this product and I am very happy with it and have already told other people about it.
Tom Recommends This Liberty Pumps Product
Was this review helpful?
00
John G.
Sterling Heights, MI
Purchased from Sump Pumps Direct
Purchased 6/19/16
REVIEWED
JUL.
15
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Waiting
Can't give a informed review yet. Just installed the pump last evening. Appears to be functioning properly. Recommended by my son who has one installed in his home.
John Recommends This Liberty Pumps Product
Was this review helpful?
00
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