Liberty Pumps 257 pump, gray, 1-1/2"

Q: Do i need to use a threaded pipe on the discharge hole or any 1 1/2 pvc pipe (sched 40) will work?

Yes1) You will need a threaded pvc adapter. The threaded end fit the pump and glue 1 1/2" pvc pipe into the other end 2) Drill a small hole as per instructions on the vertical rise so the pump doesn't airlock3) I would also install a one way valve (check valve) on the vertical rise about $10 or so at Menards..........they are rubber and connected with hose clamps.Should work finethank youBill Sparks

Q: I'm replacing it and it says to drill a 1/8 inch hole on the extraction pipe but my existing one does not have one, do I still need one?

The pump itself has airlock protection built in, but nonetheless the instruction manual does still recommend a 1/8" hole be drilled (not far from the pump discharge) to prevent airlock, IF a check valve is being used (most modern sump pump installations do utilize check valves to prevent back-flow). For my particular installation, I do use a check valve so I drilled the 1/8" hole about 1" above the pump discharge on the PVC pipe. Haven't had any issues.

Q: Whatst the difference between this pump and 257-2? https://www.amazon.com/gp/product/b0057gu6tm?pf_rd_p=c2945051-950f-485c-b4df-15aac5223b10&pf_rd_r=

Cord length. The standard cord is 10 feet long. The pumps with -2 have a 25' long cord. -3 pumps have a 35' cord. -5 pumps have a 50' cord.

Q: I'm having switch issues with my "Z" 53 1/3HP pump so I talked to a Liberty rep today about sizing and he calculated everything and said that I am right at the middle of a 1/3HP (257) and a 1/2HP (287). He went on to say that both will have a tendency to "short cycle" in my situation (not a ton of water other than "100…

No way to answer without knowing how many feet of head you have. If "a long way" means 15-20' then go for the 1/2 hp. Up to 10' a 1/3 hp is plenty. If it short cycles it will wear out sooner and leave you unprotected from a flood, so bigger is not always better.

4.5/5

Product ID: 507545539

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Details

Brand
Liberty Pumps
Colour
Gray
Material
Cast Iron
Style
Pump
Product dimensions
24.4L x 24.4W
Power source
Corded

⚡40% less energy use

💧50 GPM max flow

🛠️1/2-inch solids handling

Frequently Bought Together

Liberty Pumps 257 pump, gray, 1-1/2"

Zoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch

Sump Pump Platform

Description

🚀 Pump up your efficiency and never miss a beat!

BUILT TO LAST - Crafted from durable cast iron and backed by a 3-year warranty, this pump is your long-term solution.
HIGH FLOW MASTERY - Pumps an impressive 50 gallons per minute, keeping your system running smoothly and reliably.
SOLID HANDLING PRO - Handles solids up to 1/2 inch effortlessly, ensuring clog-free operation in demanding environments.
POWERFULLY EFFICIENT - Cut your energy bills with a motor that uses up to 40% less electricity without sacrificing performance.
COMPACT FIT BIG IMPACT - Magnetically operated VMF switch fits pits as small as 10 inches in diameter—perfect for tight spaces.

The Liberty Pumps 257 is a robust 1.5-inch cast iron pump designed for high efficiency and reliability. It delivers up to 50 gallons per minute with a maximum discharge head of 21 feet, handles solids up to 1/2 inch, and features a magnetically operated VMF switch for compact pit installations. Its energy-efficient motor reduces electrical consumption by up to 40%, making it an eco-smart choice backed by a 3-year warranty.

Specifications

Color	Gray
Size	1.5 Inch
Style	Pump
Weight	10.43 kg
Material type	Cast Iron
Number of items	1
Power source	Corded Electric
Included components	pump
Batteries included?	No
Brand	Liberty Pumps
Department	womens
Manufacturer	Liberty Pumps
Item model number	257
Product Dimensions	24.38 x 24.38 x 26.67 cm; 6.89 kg
ASIN	B001PTT5JM

Have a Question? See What Others Asked

Do i need to use a threaded pipe on the discharge hole or any 1 1/2 pvc pipe (sched 40) will work?

I'm replacing it and it says to drill a 1/8 inch hole on the extraction pipe but my existing one does not have one, do I still need one?

Whatst the difference between this pump and 257-2? https://www.amazon.com/gp/product/b0057gu6tm?pf_rd_p=c2945051-950f-485c-b4df-15aac5223b10&pf_rd_r=

I'm having switch issues with my "Z" 53 1/3HP pump so I talked to a Liberty rep today about sizing and he calculated everything and said that I am right at the middle of a 1/3HP (257) and a 1/2HP (287). He went on to say that both will have a tendency to "short cycle" in my situation (not a ton of water other than "100…

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TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

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The product exactly matches the description. Very satisfied with my purchase.

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€ 754.34

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

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The delivery time was excellent, and the packaging was secure.

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