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Zoeller N53 - 1/3 HP Cast Iron Submersible Sump Pump (Non-Automatic)

Name: Zoeller N53 - 1/3 HP Cast Iron Submersible Sump Pump (Non-Automatic)
Brand: Zoeller
SKU: 7588
Price: 213.75 USD
Availability: InStock
Rating: 4.80 (101 reviews)

Model:

53-0002

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$213.75

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Zoeller N53 - 1/3 HP Cast Iron Submersible Sump Pump (Non-Automatic)

Model: 53-0002

$213.75

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Specifications

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Features

Zoeller N53 - 1/3 HP Cast Iron Submersible Sump Pump (Non-Automatic)

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."

***NON-AUTOMATIC - Requires Float Switch***
Submersible Cast Iron Sump Pump
Offers years of reliable, trouble-free operation
No Sheet Metal Parts To Rust Or Corrode
Stainless steel screws, guard, handle, arm and seal assembly
Thermally Protected, Permanent Split Capacitor Motor
Oil-filled and hermetically sealed to prevent overheating
Carbon & Ceramic Shaft Seal
Assures maximum protection for extended pump life
Powder Coated Epoxy Finish
Provides a corrosion resistant exterior
Clog-Resistant Design
No screen to interfere with flowing debris
Capable of passing 1/2" diameter solids
Industry Leading Quality Control
Entire unit is pressure tested after assembly

California residents see

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

For more information go to: www.p65Warnings.ca.gov

Specifications

53-0002

General Information

Product Category

Sump Pump

Base

Base Material

Thermoplastic

Min Sump Basin Size

18 Inch

Motor

Voltage

120 Volt

Running Amps

9.6

Thermal Protection

Yes

Power Cord Length

15 Feet

Oil Free Motor

Starting Amps

25.9

Pump

Housing Material

Cast Iron

Impeller Material

Plastic

Solids Handling Size

.5 inch

Handles Solids

Yes

Float Type

No Switch

GPH @ 0 feet

2680

GPH @ 5 feet

2680

GPH @ 10 feet

2040

GPH @ 15 feet

1140

Discharge Port Size

1-1/2 Inch

Check Valve Included

Manual Override

Yes

Max Head

19.25 Feet

Submersible

Yes

Engine

Horsepower

.33 HP

Overview

Product Category

Sump Pump

Weight

20 Pounds

Consumer Warranty

3 Years

Product Length

10.2 Inches

Product Width

7.5 Inches

Product Height

10.2 Inches

UPC

053514023614

Additional Model Numbers

N53, 53-0002

Reviews

(101)

Zoeller 53-0002 Reviews & Ratings

Customer Photos and Videos

Verified Buyer

Sump

By Mark T

New York

Purchased 02/27/2017 |

Review Posted 08/08/2024

Great pump but would buy this one and add external float switch and this pump with built on switch will be a problem as the switch will go bad way before the pump does. Ordered a backup to have at a later time with a backup float, switch

Mark T Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

5/5

Pros:

Easy To Use, Price, I'd Buy It Again

Cons:

None

Verified Buyer

Quiet Pump, Poor Construction

By Phillip M

Wisconsin

Purchased 06/05/2024 |

Review Posted 07/04/2024

The pump is very quiet and does what it is supposed to. But it uses a plastic lower that will not tighten to stop side spray. At first I thought it was just loose from shipping so I pulled it out and tightened as much as i dare until the plastic slightly deformed. Nope, still sprayed out all side between the top and bottom. Ok, it's defective, ask for warranty. Never in my life have I bought something from a retailer and been told to go through the manufacturer for warranty. After a couple strongly worded emails SPD did send a replacement. This time I loosened the bottom to make sure it was seated properly before tightening. Same result, still sprays out the side. It works fine, but over time that high pressure water spraying out all sides will ruin that plastic bottom and render it useless. Would have expected full cast parts for the price.

Phillip M Does Not Recommend This

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Rating Breakdown

Features

3/5

Quality

1/5

Performance

3/5

Value

2/5

Pros:

Easy To Use, Quiet

Cons:

Expensive, Packaging, Low Quality

Verified Buyer

Quiet

By Andrew H

Illinois

Purchased 02/13/2023 |

Review Posted 07/03/2024

I bought and installed this over 15 months ago as a second pump in a dual pump configuration. It runs smoothly and quietly. I've seen a case where it struggled to keep up with incoming water (to be fair, we had 5 inches of rain in a few hours, and the first pump stopped working due to a switch/float issue). I can't comment on durability just yet.

Andrew H Recommends This

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Rating Breakdown

Features

4/5

Quality

4/5

Performance

3/5

Value

3/5

Pros:

Price, I'd Buy It Again

Verified Buyer

Awesome Units

By Christopher H

Connecticut

Purchased 12/07/2023 |

Review Posted 02/08/2024

Bought this new Zoeller to swap out the fully functional identical pump that has been in service for a decade. So the old unit is now on standby in the unlikely event that we experience a failure during an extreme weather event. We run two identical sumps at opposite ends of the cellar. Connecticut. We highly recommend electrostatic switches over float switches: float switches can be finicky things. In a high water season you will notice the pump activity on the electric bill.

Christopher H Recommends This

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Rating Breakdown

Features

4/5

Quality

5/5

Performance

5/5

Value

5/5

Pros:

I'd Buy It Again, Reliable, Durable

Verified Buyer

Engineer

By Pat M

Michigan

Purchased 08/14/2023 |

Review Posted 09/05/2023

Appreciate the speed of delivery

Pat M Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

5/5

Pros:

Easy To Use, Price, I'd Buy It Again

Verified Buyer

Zoeller Is The ONLY Pump To Use

By Baker J

Arkansas

Purchased 08/02/2023 |

Review Posted 08/24/2023

Although costly compared to a few years back, Zoeller pumps are the best on the market

Baker J Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

3/5

Cons:

Expensive

Verified Buyer

Continuous Pump N53

By Richard E

Iowa

Review Posted 02/19/2023

I like the fact you have no float or pressure sensor. You just replace the pump. No decision on repairing a float or monitoring the float. The floatless pump is cheaper to replace.

Richard E Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

5/5

Pros:

Easy To Use, I'd Buy It Again

Verified Buyer

High Quality & Performance

By Brian P

Texas

Review Posted 02/08/2023

I have 2 of these pumps doing very different jobs. One has to keep up with the rain and move lots of water from a low spot out. In the last 3 years, it was only bested by one monsoon, but barely. I was worried until I realized that the street storm drains were under water too. I'm very happy with its performance!

I recommend a separate water level switch, so that this function can be replaced independently of the pump. Mechanical switches have lesser lifespans.

My other pump sits in a nasty combination of oil and water. It pumps this mess 10' up into an oil / water separator. It's moving the water just fine.

Brian P Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

5/5

Pros:

I'd Buy It Again

Verified Buyer

Workhorse

By Erik J

Florida

Review Posted 10/28/2022

This model N53 pump has been faithfully emptying the sump pit in my backyard in Florida for over five years now. I have it installed with LevelGuard Solid State Sump Pump Switch. The LevelGuard switch failed right at the time of its 5-yr warranty and I replaced. But this pump did not fail! During Hurricane Ian, this pump ran continuously overnight, at least 12 hours, and then cycled every 1-2 minutes for several days after. I purchased another one of this model N53 pump to store, just in case the first pump ever gives up. This thing is a workhorse that I could not live without!

Erik J Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

5/5

Pros:

Easy To Use, Price, I'd Buy It Again, Easy To Store

Cons:

None

Rock Solid

By Jon M

Wisconsin

Review Posted 09/05/2022

My previous setup had a Primary pump with integrated inline float switch. The pump cycled frequently due to the limited float travel causing abnormally high failure rates. I switched to the SPD-N53KIT which included Zoeller's N53 and a LevelGuard solid state pump switch. The result was that I now have longer cycle times allowing the pump to run longer and then rest more between cycles. It's been 1.5 years with this setup and I'm happy to not hear the pump cycle as frequently and to also have no failures. I definitely recommend this product.

Jon M Recommends This

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Rating Breakdown

Features

5/5

Quality

5/5

Performance

5/5

Value

4/5

Pros:

Easy To Use, I'd Buy It Again

Cons:

Expensive

Product Q&A

(6)

Product Questions Answered by Ken, the eComfort Product Expert

Why does my Zoeller 53 pump make noise but not pump water out?

William

from Connecticut

March 15, 2017

Answer

This sounds like it might be a classic symptom of air-lock. The "weep" hole as it is called should always be drilled in your discharge pipe to prevent an air-lock. This is true in sump and sewage applications. Air locking on a sump pump happens when there is air between the pump and the check valve of the discharge line. The trapped air prevents the impeller from drawing in enough fluid to open the check valve to allow discharge. The weight of the fluid on the topside of the check valve keeps it closed.

The problem is often noticed after the initial use when the pit has had time to dry out during a dry spell. When it gets water in the pit again, the air-lock condition shows up. The pump runs due to the float switch being raised, but can't eject the water because of the air-lock condition. I suggest that you drill a 1/8" or 3/16" hole in your PVC discharge pipe, approximately 4" above your pump's discharge port and well within the inside of the basin. Drill the hole at a 45-degree angle so the hole is pointing toward the bottom of your sump basin. Water will be discharged from the weep hole when your pump operates. This is completely normal.

A typical installation will have the check valve positioned about 2-3 feet above your sump basin cover. If the check valve is screwed directly into the sump pump's discharge port, there is really no place to drill the weep hole, but also less of a chance of air-lock due to the positioning of the check valve. The only problem with installing the check valve directly into the pump's discharge port is that it takes more power and effort for the pump to start due to the added weight of all the water sitting above that check valve, especially if your head is 8 feet or higher. When the check valve is installed above the basin cover, it reduces that starting power and also makes for a much easier method of replacing or performing maintenance on your pump and system. If this was done and you are still having problems, I would suggest calling Zoeller tech support at 800-928-7867 for troubleshooting assistance.

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Yes

I just replaced my float for a Zoeller BN53-C...I noticed the wire on the float and the pump is brittle and deteriorating even when I strip the wire back 12 or more inches, is this common problem?. Can pump be rewired, and is there a rewire kit or do I need to buy a new pump? I want the same Zoeller pump but I do not need a new float as I just replaced the old float switch. Also, the new float is not kicking on, and my alarm is going off for high water. I followed the directions. Should I shorten its tether length? Currently it is at 4.5 inches from stack to float. I have a few more technical questions too can you contact me? Hope to hear from you TUESDAY 7/5. Phone:440-214-2047

Paul Mihacevich

from Ohio

July 04, 2016

My Zoller pump has a threaded female connector on the body. What am I expected to put between the pump body and the bottom clamp of this check valve?

from California

September 17, 2014

I have a small catch basin aside my house with underground drain line that runs to the street. Drain line collapsed under sidewalk and with heave rain, catch basin backs up, overflows and I get water in my house. Thinking of putting this pump in the catch basin with a line out to pitched front lawn so when water reaches a certain level in backed up basin it will turn on and pump water out. Does that sound like a fit for this pump?

Gary B

from New York

June 06, 2013

Answer

If your catch basin is at least 18" wide by 24" deep, you might consider the Zoeller model M53 1/3HP Sump Pump or the 1/2HP model M98. The N53 model is a NON-AUTOMATIC pump and would not activate without the help of some type of float switch. The M53 & M98 both include a vertical float switch to activate and deactivate the pump. As long as you can filter debris like leaves and twigs from getting into the pump, you should be fine.

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Yes

Is any maintenance required on the M53 pump? I see there are two white plugs on the pump and I'm wondering if oil needs to checked or added periodically or any other type of maintenance is needed.

Jim M

from Nebraska

December 22, 2012

Answer

The only maintenance that is required is what all manufacturers recommend. And that is to inspect your pump, float switch and sump basin every 4-6 months to insure that they are operating properly and there is no debris in your basin that could impede the pump or float switch operation. Oil should NOT need to be added at any time unless the pump develops a leak which is pretty rare. If that should happen, it's usually easier to have it serviced at a local authorized Zoeller service center or replace the pump.

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Yes

I am torn between which Zoeller pump would be best for my application. My basement is 104' and currently takes in approximately 3" of water when there is a hard rain. The water is only on one side of the basement and never comes up on the other. Would you recommend a 1/3 hp or 1/2?

Joe

from New Jersey

January 15, 2012

Answer

Without knowing more specifics like the water table, area of the country you live in, actual square footage of your basement, etc., it really is difficult to answer. I can tell you that most average sized homes in an average water table area can usually get away with a 1/3HP or 1/2HP pump. Beware of over-sizing the pump as it could cause the pump to cycle too frequently thereby reducing the life of the pump. You don't want to just install a 3/4HP or 1HP pump just for the sake of it.

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Yes