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The Liberty Pumps 405 - 1/2 hp high-temperature commercial sink/drain pump system (2") is available for purchase today.

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Liberty Pumps 405 - 1/2 HP High-Temperature Commercial Sink/Drain Pump System (2")

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Liberty Pumps Sump Pumps and AccessoriesModel: 405
(Based on expert analysis, manufacturer ratings and customer reviews)
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
7 Reviews
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  • Features
  • Specs
  • 3
    Q&A 
  • 7
    Reviews
  • Articles
  • Shipping
  • Accessories
Style
Primary Sumps Pumps
GPH
3180
Gallons
HP
1/2
Horse Power
Switch Type
Piggy-Back Tether 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."

Automatic Commercial High-Temperature Remote Drain Pump System
Factory pre-assembled for easy installation

High-Temperature Aluminum Sump Pump
Designed for high temperature applications (180° F. Max)

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

High-Temperature, Engineered Polymer Impeller
Vortex style design for superior solid handling up to 3/8"
Non-Corrosive Stainless Steel Fasteners & Rotor Shaft
Permanently lubricated upper/lower bearings for extended life

Corrosion-Resistant Polyolefin Basin (14.125" H x 13.75" W)
Great for bar sinks, dishwashers and commercial sinks

QuickTree® Technology & Quick-Disconnect 10' Power Cord
Separate access cover for easy switch inspection/removal
Allows for easy replacement of cord without breaking motor seals

Integrally Molded-In Connections & Rubber Gaskets
Provides a superior, gas-tight seal

2" Inlet, Discharge and Vent
Requires 2" Check Valve (Sold Separately)

3-Year Limited Warranty


Need Help? Call Our Sump Pump Experts.
Base
Min Sump Basin Size
14 Inch
Motor
Running Amps
7.3
Thermal Protection
Yes
Power Cord Length
10 Feet
Oil Free Motor
No
Starting Amps
16
Pump
Solids Handling Size
.375 inch
Float Type
Piggy-Back Tether Switch
GPH @ 0 feet
3180
GPH @ 5 feet
2700
GPH @ 10 feet
2220
GPH @ 15 feet
1800
GPH @ 20 feet
1200
Discharge Port Size
2 Inch
Built-in check Valve
No
Manual Override
Yes
Overview
Made in USA
Yes
Weight
23 Pounds
Product Length
13.75 Inches
Product Width
13.75 Inches
Product Height
14.125 Inches
Consumer Warranty
3 Years
UPC
671812113877
Model
405
Download Documents
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  3 Questions
Q: Will this unit be able to pump water into the ceiling space of a suspended ceiling?
by Rick from Wyoming on February 08, 2014

A: The Liberty High Temp Commercial Sink/Drain Pump System, model 405 will handle a max head of 33 feet @ up to 77 degree(F) water and 25 feet @ up to 180 degree(F) water, when installed per the manufacturer's specifications and instructions.
by Jim, Product Expert
Q: For a sink sump pump installation is their a studor vent or air admittance valve that can vent a sump pump?
by Scott D from Florida on January 21, 2014

A: Thank you for your interest in Sump Pumps Direct.
Per the installation instructions for the Liberty 404 Sink/Drain Pump System:

Provision is made for a vent stack to allow extra volume for high suds conditions, and to ensure proper drainage of the fixture. HAND-TIGHTEN ONLY. DO NOT CAP-OFF VENT. DO NOT use ONE-WAY QUICK-VENTS or AIR ADMITTENCE VALVES as they will not guarantee proper fixture performance. The vent pipe should have a union to facilitate removal if required and shall be connected directly to a building or house vent.

This is pretty standard for all of these systems.
by Jim, Product Expert
Q: For the Liberty 405 model pump system, I see the unit has a " provision " for a stack vent. Is it absolutely necessary to have a vent on this type of pump system? I am using the system to lift kitchen sink drain water to my house drain system approx 3 ft. Thanks.
by Scott Sterkel from Washington on August 30, 2012

A: The Liberty 405 is specifically designed to be used for a remote sink drain or a laundry application as long as the water temperature does not exceed 180 degrees Fahrenheit.

Per the product manual:
Provision is made for a vent stack to allow extra volume for high suds conditions, and to ensure proper drainage of the
fixture. HAND-TIGHTEN ONLY. DO NOT CAP-OFF VENT. DO NOT use ONE-WAY QUICK-VENTS or AIR ADMITTENCE
VALVES as they will not guarantee proper fixture performance. The vent pipe should have a union to facilitate removal if required
and shall be connected directly to a building or house vent.

You can also check out the complete manual HERE if you would like more information.
by Jim, Product Expert
Liberty Pumps 405 Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
Pros
Price (5)
Quiet (4)
Easy To Use (3)
Reliable (3)
I'd Buy It Again (2)
Cons
There Is No Cons To This... (1)
100% of respondents would recommend this product to a friend
7 Reviews  Sort by 
 
Robin D.
Snyder, NY
Purchased from Sump Pumps Direct
Purchased 5/16/16
Most Helpful Positive Review
REVIEWED
JUL.
19
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
This Is A Fantastic Pump
This pump is worth the cost! It's reliable, quiet and pumps water quickly. The pump was easy to install and I feel confident that it will hold up over time.
Robin Recommends This Liberty Pumps Product
Was this review helpful?
00
Paul K.
Coatesville, PA
Purchased from Sump Pumps Direct
Purchased 4/18/16
Total Reviews
2 Reviews
REVIEWED
MAY.
30
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Thank God I Have It
Just installed it right before my kitchen was tourn out for an upgrade. All my dishes are now being washed in my basement sink using the Liberty pump. It keeps on chugging along no problems. Was easy to install. Use a little plumbers seal for the PVC thread connectors at the pump to keep a good seal without any leaks. Very happy with it.
Paul Recommends This Liberty Pumps Product
Was this review helpful?
00
Randall N.
Hampstead, MD
Purchased from Sump Pumps Direct
Purchased 8/28/14
REVIEWED
SEP.
18
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
It's A Great Pump
The install was easy and the pump is quiet and works great!
Pros: Price, Easy To Use, Reliable, I'd Buy It Again
Cons: There Is No Cons To This Pump
Randall Recommends This Liberty Pumps Product
Was this review helpful?
22
Jason C.
Toronto, NY
Purchased from Sump Pumps Direct
Purchased 7/15/13
REVIEWED
AUG.
27
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
Sump Pump Equalled Square Feet
I needed a commercial sump pump for a multi-compartmental sink used in a food business.

I first tried a 1/4hp sump from a local hardware store that drained via garden hose. It was very slow, loud and I was concerned about food bits blocking things up over time.

The pump purchased from sump pumps direct was a self contained unit with 2 inch plumbing connections in and out. This made me feel much more comfortable with my application. The first time it filled and emptied I had a grin... more
Pros: Durable, Easy To Use, Quiet, Price
Jason Recommends This Liberty Pumps Product
Jason Would Recommend Sump Pumps Direct To A Friend
Web Site
5/5

Service
5/5

Shipping
5/5
"I received updates by email keeping me informed and the pump arrived at the destination as expected. Great experience."
 more
Was this review helpful?
22
Chris T.
Gainesville, GA
Purchased from Sump Pumps Direct
Purchased 8/28/14
REVIEWED
SEP.
22
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Compact
Nice little unit!
Pros: Price, Quiet, Reliable, High Quality
Chris Recommends This Liberty Pumps Product
Was this review helpful?
12
Andre F.
Concord, NC
Purchased from Sump Pumps Direct
Purchased 5/30/14
REVIEWED
JUN.
27
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Product And Supplier
All around great job. Pump working great and great price and communication.
Pros: Price, Quiet, Exceeded Expectations, Reliable
Andre Recommends This Liberty Pumps Product
Was this review helpful?
12
J M
Woolwich Twp, NJ
Purchased from Sump Pumps Direct
Purchased 1/1/14
REVIEWED
JAN.
22
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Very Satisfied - Replaced A 404 With 405
I replaced the smaller 404 pump (140F temperature rating) with 405 (180F temp). I like the larger volume means less cycling and needed the higher temperature rating. Our pump was in kitchen sink service with a garbage disposal and someone who cooks with a lot of fats. Amazingly the 404 lasted over 4 years once a year was a nasty cleanout to remove the solidified greases. Boiling pasta water was being dumped all the time. I'm expecting the 405 to be nearly lifetime.

My only caution is to... more
Pros: Easy To Use, Quiet, Price, I'd Buy It Again
J Recommends This Liberty Pumps Product
Was this review helpful?
-53
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