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The Liberty Pumps le51a - 1/2 hp cast iron sewage pump (2") w/ piggyback tether float is available for purchase today.

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Liberty Pumps LE51A - 1/2 HP Cast Iron Sewage Pump (2") w/ Piggyback Tether Float

(Based on expert analysis, manufacturer ratings and customer reviews)

5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
8 Reviews
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  • Features
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Sewage Pumps
Horse Power
Switch Type
Piggy-Back Tether Float Switch
Need Help? Ask Our Sump Pump Experts.

Automatic Submersible Cast Iron Sewage Pump
A workhorse for residential & light commercial sewage apps.

Heavy-Duty Epoxy Powder Coated Cast Iron Construction
Designed to provide years of reliable performance

Adjustable, Mercury-Free, Wide Angle Tether Float Switch
Provides automatic or manual operation via piggyback plug

Rugged & Thermally Protected 1/2 HP Motor
Hermetically sealed, permanently lubricated design

Engineered 2-Vane Semi-Open HYTREL Polymer Impeller
Corrosion-resistant design, passes spherical solids up to 2"

High Capacity 2" Discharge
Will replace most sewage pumps without any plumbing changes

Quick-Disconnect 10' Power Cord
Allows for easy replacement of cord without breaking motor seals

Stainless Steel Rotor Shaft w/ Unitized Ceramic Carbon Seal
With permanently lubricated bearings for extended pump life

Non-Corrosive Stainless Steel & Brass Fasteners
Increases the lifespan of the pump even in the harshest systems

3-Year Limited Warranty

Model Number:LE51A
Manufacturer:Liberty Pumps
Made in USA:Yes
Housing Material:Cast-Iron
Min Sump Basin Size:14 Inch
Motor Amps:Running - 12 / Starting - 22.5
Thermal Protection:Yes
Power Cord Length:10 Feet
Oil Free Motor:No
Float Type:Piggy-Back Tether Switch
GPH @ 0 feet:9600 GPH
GPH @ 5 feet:8400 GPH
GPH @ 10 feet:6720 GPH
GPH @ 15 feet:5400 GPH
GPH @ 20 feet:3300 GPH
Discharge Port Size:2 Inch
Built-in check Valve:No
Float On:Adjustable
Float Off:Adjustable
Manual Override:Yes
Solid Handling:2 Inch
Max Head:24 Feet
Weight:42 Lbs. (19.05 kilograms)
Dimensions:10.7"L x 8.4"W x 13.25"H
(27.18 x 21.34 x 33.66 cm)
Consumer Warranty:3 Years
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  1 Question
Q: Hi Jim - can this pump be used as a sump pump?

Liberty Pumps LE51A - 1/2 HP Cast Iron Sewage Pump (2") w/ Piggyback Tether Float

Also thinking of emergency use to dewater a flooded backyard.


by Brian from New York on August 23, 2012

A: Sure! Because of their higher capacity and small solid handling capability, sewage pumps are a common choice for outdoor applications. Just be sure to keep the electrical connections well protected and if its a permanent installation, please take proper steps to protect the pump and discharge pipe from freezing.
by Jim, Product Expert
Liberty Pumps LE51A Reviews & Ratings
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Overall Rating
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
I'd Buy It Again (1)
Reliable (1)
Exceeded Expectations (1)
Durable (1)
Heavy (1)
8 Reviews  Sort by 
Jim, the Sump Pump Expert
Sump Pump Expert

Product Expert
Total Reviews
27 Reviews
Total Helpful Votes
361 Helpful Votes
Sump Pumps Direct Recommended

This is a great sewage pump for light commercial duty applications and residential applications and earns our "Better" recommendation. This pump has a heavy-duty epoxy-coated cast iron housing making it more corrosion-resistant for extended pump life.

Another bonus is the 10' quick disconnect power cord which gives you the ability to easily replace the cord without breaking the seals.

Let's face it, you want to change out your sewage pump as infrequently as possible. It's... more
Jim Recommends This Model
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Rawlin R.
Crescent City, CA
Purchased from Sump Pumps Direct
Purchased 2/25/13
Most Helpful Positive Review
5 out of 55 out of 55 out of 55 out of 55 out of 5
Liberty Pump Keeps My Vacation Home Working
I installed the Liberty Pump in an existing home built 3 foot diameter. 6 foot deep, brick lined septic tank. I built a PVC pipe framework to stand the pump about 3 feet from the bottom. The outlet of the pump is connected to a 220 foot length of horizontal PVC pipe to the main sewer. There is a 2 inch check valve and ball valve in a horizontal position about 6 feet from the pump. Two 90 degree ells and two 45 degree ells were used in the hookup. I was concerned about enough pump output... more
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Robert K.
Westminster, MD
Purchased from Sump Pumps Direct
Purchased 5/4/13
5 out of 55 out of 55 out of 55 out of 55 out of 5
Happy Customer
Very happy with pump. Works great. Pumps poo with the best of them. The only issue I had was when I picked it up in the box after delivery I took two steps and one of the handles ripped and I dropped the heavy sucker right on my new hardwood flooring. Put a nice quarter size hole in my floor. The little woman is not a happy camper. I should of never trusted the handles. Other than that I'm happy with your company and will definitely buy from you again.
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Matt M.
Greenfield, IN
Purchased from Sump Pumps Direct
Purchased 11/18/13
5 out of 55 out of 55 out of 55 out of 55 out of 5
Liberty Pump = Long Life
Pulled a Liberty pump that was installed outdoors in my yard to mitigate water. Installed in Nov 2005, died exactly 8 years to the month later....designed to run no more than 8hrs at a time - but there were MANY times it ran for days on end! Because the float and AC are hard-wired to a NEMA box - Liberty's design made it easy on me with a removable power cord - didn't even have to open the NEMA box to replace the pump! Took no time at all and I hope to get another 8 years out of the new one -... more
Pros: Durable, Exceeded Expectations, Reliable, I'd Buy It Again
Cons: Heavy
Matt Recommends This Liberty Pumps Product
Matt Would Recommend Sump Pumps Direct To A Friend
Web Site


"Best price online and came a day earlier than expected."
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Devin N.
Geneva, NE
Purchased from Sump Pumps Direct
Purchased 5/28/13
5 out of 55 out of 55 out of 55 out of 55 out of 5
Receiving Dock Constantly Flooding
Every Spring when the rain comes down hardest, our receiving dock flooded and the pump we had installed wasn't keeping up at all with the amount of water that went into the bay. I recently purchased this pump to replace the old one and haven't had any problems with flooding or the pump. So far it has proven to be a great investment and I feel as though I definitely got a reliable pump. The old pump was an effluent pump and this one is a sewage pump. This one prevents small things clogging the... more
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Purchased from Sump Pumps Direct
Purchased 3/5/13
Total Reviews
2 Reviews
5 out of 55 out of 55 out of 55 out of 55 out of 5
Home Owner
Brought this pump after doing research on all sewage pumps. This pump is backed by a 3 yr war. and is made very good and made in USA. Float switch plug on pump was smashed upon arrival, tried to fix it but didn't work. I called Liberty Pumps and they sent me out another one at no cost. Hooked it in and Perfect. Liberty Pumps back their products and I'm very pleased with the customer service. 5 starts. This pump was also very easy to install.
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Peabody, MA
Purchased from Sump Pumps Direct
Purchased 7/2/12
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Pump
My basement pump died and I did some online research and came across the sump pumps direct website. The pump was priced right and was shipped right out. I will refer anyone to this website great business!!
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Purchased from Sump Pumps Direct
Purchased 2/26/13
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Pump
Used to pump sewer to field lines. Great pump would recommend to others.
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