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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')

(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
41 Reviews
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  • Features
  • Specs
  • 3
    Q&A 
  • 41
    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.
Model
Model Number:SJ10
UPC:671812113655
Manufacturer:Liberty Pumps
Housing Material:Thermoplastic
Min Sump Basin Size:18 Inch
Motor
Pump
Float Type:Vertical Float
GPH @ 0 feet:1200 GPH
GPH @ 5 feet:1140 GPH
GPH @ 10 feet:990 GPH
GPH @ 15 feet:795 GPH
GPH @ 20 feet:615 GPH
Discharge Port Size:1-1/2 Inch
Built-in check Valve:Yes
Overview
Float On:Not Available
Float Off:Not Available
Manual Override:Yes
Solid Handling:None
Weight:6 Lbs. (2.72 kilograms)
Dimensions:L x 5.1"W x 21.6"H
(0.00 x 12.95 x 54.86 cm)
Consumer Warranty:3 Years
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  3 Questions
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 (12)
Price (10)
Exceeded Expectations (7)
Quiet (6)
Easy To Use (5)
Cons
It Doesn't Keep Up With ... (1)
Delivery (1)
Low Quality (1)
Loud (1)
This Is A Great Company ... (1)
97% of respondents would recommend this product to a friend
41 Reviews  Sort by 
 
Gene N.
Lexington, KY
Purchased from Sump Pumps Direct
Purchased 3/6/15
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
View Image
Pros: I'd Buy It Again, Exceeded Expectations, Quiet, Reliable
Gene Recommends This Liberty Pumps Product
Was this review helpful?
80
William C.
Lake View, NY
Purchased from Sump Pumps Direct
Purchased 8/29/14
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?
90
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
Lemon W.
Kentwood, MI
Purchased from Sump Pumps Direct
Purchased 3/26/16
REVIEWED
APR.
21
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Backup System
Purchased the SJ10 through sump pumps direct as the price was less than I was being quoted by the plumbing company that was to install my system. The free shipping was nice also!
Pros: Price, Quiet, Reliable
Cons: The Backup Flow Preventer Required In Mi Is Quite Pricey
Lemon Recommends This Liberty Pumps Product
Was this review helpful?
00
James S.
Upper Arlington, OH
Purchased from Sump Pumps Direct
Purchased 3/3/15
REVIEWED
JUN.
08
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Pump
Well designed, well made. It is much better made than the unit it replaced which failed when it developed scale build up.

This unit can be adjusted so the intake and floats sit out of the water to prevent scale and contamination the 99.9% of the time it's not in use - when it's needed the water will rise to the intake and it has no problem keeping up volume wise.
James Recommends This Liberty Pumps Product
Was this review helpful?
40
John K.
Richmond, MI
Purchased from Sump Pumps Direct
Purchased 7/28/15
Total Reviews
2 Reviews
REVIEWED
AUG.
19
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Product
Ordered this pump as a backup for the main pump.delivery was very fast even though i chose standard ground delivery. Thumbs up to everyone there.

Installation was relatively easy. No problems were encountered with the install.the pump works great. I would recommend this pump to anyone. You do need some plumbing experience to install this pump.
John 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?
00
Gary C.
Lancaster, NY
Purchased from Sump Pumps Direct
Purchased 2/6/16
Total Reviews
2 Reviews
REVIEWED
MAR.
08
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Great Buy
Easy to install and good piece of mind for a backup pump.
Gary Recommends This Liberty Pumps Product
Gary's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Great pump just wish there wasn't so much plastic."
 more
Was this review helpful?
00
Roy P.
Greensburg, IN
Purchased from Sump Pumps Direct
Purchased 2/14/16
REVIEWED
MAR.
07
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Purchase
Easy to install and the test run went great.
Roy Recommends This Liberty Pumps Product
Was this review helpful?
00
Sidney A.
Reedville, VA
Purchased from Sump Pumps Direct
Purchased 2/4/16
REVIEWED
FEB.
26
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Backup Pump For Electricity Or Pump Failure
Short delivery time and I enjoyed installing it.
Sidney Recommends This Liberty Pumps Product
Was this review helpful?
00
Gary H.
Baltimore, MD
Purchased from Sump Pumps Direct
Purchased 11/20/15
REVIEWED
FEB.
07
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Great
Best way to go for power outage backup system, period!
Gary Recommends This Liberty Pumps Product
Was this review helpful?
00
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