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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
25 Reviews
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  • Features
  • Specs
  • 3
    Q&A 
  • 25
    Reviews
  • Articles
  • Shipping
  • Accessories

Style
Back-up Sump Pumps
GPH
1200
Gallons
HP

Horse Power
Switch Type
Vertical Float Switch
Need Help? Ask Our Sump Pump Experts.


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


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
Write Review
Overall Rating
Features
4/5
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 (11)
Price (8)
Exceeded Expectations (6)
Easy To Use (5)
Quiet (4)
Cons
Delivery (1)
It Doesn't Keep Up With ... (1)
Low Quality (1)
Loud (1)
This Is A Great Company ... (1)
95% of respondents would recommend this product to a friend
25 Reviews  Sort by 
 
Bruce B.
Saint Joseph, MI
Purchased from Sump Pumps Direct
Purchased 9/1/14
Most Helpful Positive Review
REVIEWED
DEC.
23
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Get Rid Of The Battery!
After two failures in four years with battery back-up systems I went on-line and found your system. After researching several systems, your's appeared the easiest to install and was very price competitive.
Pros: Price, Exceeded Expectations, Fast, High Quality
Bruce Recommends This Liberty Pumps Product
Bruce's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Installation was easy. Lightweight and easy to handle. Tld my neighbor, he immediately came over and viewed my installation. He called his son and he came over, viewed my installation and ordered one for himself."
 more
Was this review helpful?
50
Bryan B.
Auburn, MA
Purchased from Sump Pumps Direct
Purchased 3/21/15
Most Helpful Critical Review
REVIEWED
APR.
11
2015
3 out of 53 out of 53 out of 53 out of 53 out of 5
What's Up?
I must be doing something wrong? When the pump kicks on the municipal water, as well as the drainage water, flows into the pit.
I know the drainage pipe is not clogged because when the electric pump goes off, the pit drains.

Instructions say a check valve is not required for the pump. How about the the drainage pipe?
Bryan Recommends This Liberty Pumps Product
Jim, the Sump Pump Expert
Product Expert
Bryan,
On the contrary, the instructions do state:

Additional backflow protection must be provided by the installer to meet the requirements of the local plumbing code or the requirements of the local water authority. As per the Uniform Plumbing Code and per the Plumbing Codes of some states, including the State of Michigan, installation of this product requires the use of an RPZ backflow protection device. Contact your local plumbing or water authority for more information regarding the requirements for your specific area.

Please re-check the pump INSTALLATION MANUAL and/or call Liberty tech support at 800-543-2550 for further assistance.
more
Was this review helpful?
00
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?
40
Gary W.
Belleville, IL
Purchased from Sump Pumps Direct
Purchased 4/8/15
REVIEWED
APR.
30
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
End Of Our Stress
Our basement has flooded twice. For whatever the hydrology of our location we have a lot of ground water. Sump pump runs almost year round. During a large storm the inlet to the sump pit looks like a fire hydrant when the lines are cleaned annually.

I have 2 sump pumps set at sequential levels, a Watch Dog and a 3600 Watt generator with a home line from garage to the sump pit area.

Watch Dogs only run 3 to 4 hours at best and go through deep cycle batteries every 3 years. And you need... more
Pros: I'd Buy It Again, Price, Quiet, Compact Installation Space In Pit
Gary Recommends This Liberty Pumps Product
Gary's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"I have already recommended the SumpJet to others."
 more
Was this review helpful?
00
Shawn S.
Louisville, KY
Purchased from Sump Pumps Direct
Purchased 4/3/15
REVIEWED
APR.
24
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Inexpensive Peace Of Mind
Purchased the backup pump online, and it arrived sooner than I expected. The install was a snap. Now I can relax when a storm blows through.
Shawn Recommends This Liberty Pumps Product
Was this review helpful?
00
Mark R.
Baldwinsville, NY
Purchased from Sump Pumps Direct
Purchased 2/24/15
REVIEWED
MAR.
17
2015
4 out of 54 out of 54 out of 54 out of 54 out of 5
Awesome Backup Sump Pump
I have installed many different style backup sump pumps from battery backups to redundant pumps with multiple switches.

This is the best pump for a loss of power with no additional actions required.

This is a quality pump that is easy to install for the normal homeowner.
Mark Recommends This Liberty Pumps Product
Mark's Experience With Sump Pumps Direct
Web Site
4/5

Service
4/5

Shipping
5/5
"Excellent pump and well worth the money. I definitely recommend this pump."
 more
Was this review helpful?
10
Carol K.
Rochester Hills, MI
Purchased from Sump Pumps Direct
Purchased 10/14/14
REVIEWED
NOV.
12
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Liberty Pumps
Pump is great and delivered on time at a great price. Will use you again, if needed.
Carol Recommends This Liberty Pumps Product
Was this review helpful?
10
Thadde H.
East Amherst, NY
Purchased from Sump Pumps Direct
Purchased 10/8/14
REVIEWED
OCT.
30
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Nice To Have
Easy to install by myself. It comes assembled, so there's no need to put pieces together.
Thadde Recommends This Liberty Pumps Product
Was this review helpful?
10
Christopher K.
Lansing, MI
Purchased from Sump Pumps Direct
Purchased 3/8/15
REVIEWED
MAR.
30
2015
5 out of 55 out of 55 out of 55 out of 55 out of 5
Pump
I think it's a great product. Haven't really needed it yet, but it has to be better than buying a new battery for the watch dog system every year or two.
Christopher Recommends This Liberty Pumps Product
Christopher's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Very easy to put in"
 more
Was this review helpful?
00
Eugene B.
Orchard Park, NY
Purchased from Sump Pumps Direct
Purchased 6/15/13
Total Reviews
2 Reviews
Total Helpful Votes
15 Helpful Votes
REVIEWED
JUL.
06
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Price, Service & Product
Nothing I can add - Just great!
Pros: Easy To Use, Price, Exceeded Expectations, I'd Buy It Again
Cons: This Is A Great Company There Are No Cons
Eugene Recommends This Liberty Pumps Product
Eugene Would Recommend Sump Pumps Direct To A Friend
Web Site
5/5

Service
5/5

Shipping
5/5
"Dynamite Company! Will always buy from them!"
 more
Was this review helpful?
150
Matthew K.
Amherst, NY
Purchased from Sump Pumps Direct
Purchased 10/27/12
Total Helpful Votes
15 Helpful Votes
REVIEWED
NOV.
17
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
Peace Of Mind
This is the second water powered backup pump I have installed. The first one (a different brand) came from a big box store for my previous house. It was cheaply made and I was never completely comfortable with that as my last line of protection.

I did the research and found a winner with the Liberty. Easy installation and well built. I now have the peace of mind that I have been searching for.

Excellent customer service and extremely fast delivery- worth every penny.
Was this review helpful?
150
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