Zoeller Sump Pump M57 A

Built For Life. More Cast Iron Than M53

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The Zoeller Sump Pump M57

BRAND: Zoeller
NAME: Zoeller Sump Pump M57 Mighty-Mate Submersible
Zoeller Sump Pump M57 Mighty-Mate Submersible
DESCRIPTION: The Zoeller M57 Mighty-Mate has more cast iorn than M53 which is known as a best seller and best rated submersible sump pumps among those with the following features: 1/3 HP, Cast Iron Housing, Vertical Float Switch, 2040 GPH and 34 GPM, 3 Year Warranty, with 1 1/2 inch Discharge Port.
CATEGORY: "Tools", "Home Improvement", "Sump Pumps"
PRODUCT #: B0078RLG2E
REVIEW RATING: 4.6 stars, based on 350 reviews
 
 

Table Of Contents

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Zoeller M57 - Built For Life. More Cast Iron Than M53

The Zoeller M57 truly is built for life with more cast iron parts than tha M53. The additional cast iron parts found in the M57 include the pump base, the vortex impeller and the shaft. A cast iron impeller can withstand the entry and whirling of small pebbles and debris much better than a plactic impeller. Plastic is more likely to break. A cast iron impeller, shaft and base can also dissipate heat much better than engineered plastic which comprises the M53. The additional cast iron parts add four extra pounds which makes the M57 more stable during heavy continuoug pumping.

So if plumbers and consumers are very pleased with the M53, they will be even more satisfied with the M57 (0001 or A).

Cast Iron Parts Found In Both The Zoeller M53 and M57

Both the M57 and M53 have cast iron motor and pump housing, switch case and sleeve bearing. Cast iron is stronger and dissipates heat better than sump pumps made from stainless steel, aluminum, zinc or thermoplastic. Even the cast iron grade used by Zoeller is better than other brands.

 

Zoeller M57 Features & Specifications Summary

Motor
3/10 HP; Voltage: 115 or 230 V; Phase: 1 Ph; Hertz: 60 Hz; RPM: 1550 RPM; Type: Shaded pole; Insulation: Class B; Amps: 4.8 - 9.7 Amps; Operation: Automatic; Cooling: Oil filled; Motor Protection: Auto reset thermal overload; Max Operating Temperature: 130 °F (54 °C). Sump Pump M57 is built with quality and durability
 
Materials Used
Motor Housing: Cast iron; Pump Housing: Cast iron; Corrosion-resistant, powder coated epoxy finish; Cast iron switch case, motor and pump housing; Base: Cast Iron; Upper Bearing: Sleeve bearing; Lower Bearing: Sleeve bearing; Mechanical Seals: Carbon and ceramic; Cast Iron impeller; No sheet metal parts to rust or corrode; Stainless steel screws, switch arm, guard and handle; Motor Shaft: AISI 1215 cold roll steel; Gasket; Water tight and dust-tight; Permanently oiled bearings
 
Impeller Type
Impeller Type: Non-clogging vortex; No screens to clog; Solids Handling: 1/2" (12 mm) spherical solids; Discharge Size: 1-1/2" NPT.
Zoeller M57 Pumping Performance at 5 feet, 10 feet and 15 feet vertical height.
 
Pumping
Float-operated, submersible, 2-pole mechanical switch; Solid, buoyant, polypropylene float; Pump Auto On / Off Points: 7-1/4" / 3" (18.4 cm / 7.6 cm); Max Head: 19.25' (5.9 m); Max Flow Rate At 0 Feet: 43 GPM (163 LPM); Max Flow Rate At 5 Feet (1.5 Meters): 43 GPM (163 LPM); Max Flow Rate At 10 Feet (3.0 Meters): 34 GPM (129 LPM); Max Flow Rate At 15 Feet (4.6 Meters): 19 GPM (72 LPM).

KEY FEATURES

PUMPING

HP: 1/3 Horse Power
Type: Submersible, Automatic
Float: Vertical 2-pole
GPM @ 5 Ft.: 43 GPM (163 LPM)
GPM @ 10 Ft.: 34 GPM (129 LPM)
GPM @ 15 Ft.: 19 GPM (72 LPM)
Voltage: 115 or 230 V
Phase: 1 Ph
Hertz: 60 Hz
RPM: 1550 RPM
Amps: 4.8 - 9.7 Amps

MATERIAL

Pump Housing: Cast iron
Finish: Corrosion-resistant, powder coated epoxy
Motor, Switch Case: Cast Iron
Base: Cast Iron
Float: Solid, buoyant, polypropylene
Impeller: Cast Iron
Screws, Switch Arm, Guard and Handle: Stainless steel
Motor Shaft: AISI 1215 cold roll steel

MISC.

Impeller Type: Non-clogging vortex
Solids Handling: 1/2 in. (12 mm)
Discharge Size: 1-1/2 in. NPT
Pump Auto On: 7-1/4 in. (18.4 cm)
Pump Auto Off: 3 in. / 7.6 cm)
Max Head: 19.25 ft. (5.9 m)
Cord Length: 9 ft. (3 m)
Major Width: 10-3/32 in. (26.2 cm)
Major Height: 10-1/16 in. (25.6 cm)
Weight: 27 pounds
 
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Zoeller M57 Reviews Reveal High Rating

Zoeller Sump Pump M57 Consumer Reviews rate this pump well; 4.6 stars out of 5. It is built with cast-iron housing and a vertical float switch. It is built to last; to keep it running for ten plus years, the float-switch will need to be replaced every 2-3 years depending upon how frequently it is used. See what consumers are saying about it.

Best Pump Ever
Chris W, Illinois
August 15, 2016

My sump pump is 15 years old and it's time to replace it even though it still runs. Even though my old pump is a Zoeller, I did some research and all point to Zoeller-sump-pump as the best one. We installed the 57-A (57-0001) ourselves. It works really well and very quiet. We can't hear anything when it is on from the first floor.

The King of 1/3 HP Sump Pumps
James White, Illinois
May 25, 2016

Believe me, I have tried going cheap with Bog Box store pumps and every time I end up with a pump-failure during a heavy rainstorm. I knew about Zoeller but did not know how to buy one. I found I can buy one on the Internet through Amazon. I am so happy to own my Zoeller-M57. I decided to pay a little bit more and make sure I have no plastic parts.

Put It In And Forget About It
George Brauman, Chicago, Illinois
August 12, 2017

I installed my Zoeller-M57 over three years sgo and I have had no problems. My neighbor told me however, that no pump float switch will last forever and I should have a switch on hand. I took his advice. I bought switch part 004702 on Amazon. I could have bought part no 004892 also, but I chose the 4702 because it was the entire cap and switch assembly which for me would be easier to install. I want to do the installation myself. I found a lot of installation help here. I will be prepared now when the switch fails. Thanks to my neighbor.

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Zoeller Sump Pump M57 Installation

Hopefully you measured the room available in your pit before you purchaaed the pump. Its width is 10-3/32-inches and its height is 10-1/16-inches. Be prepared, it weighs 27 pounds.

Installing the M57 is easy, especially if you have done it before; however if this will be your first time, relax. You will not break anything. To alleviate stress, choose a day when the sun is shining.

The hardest part of the installation will be getting the pump into the basin and cutting the PVC pipe the correct length. PVC piping is cheap so if you make a mistake, try again.

Basically the steps are as follows:
  1. 1) Unplug the motor cord from the old-pump.
  2. 2) untighten the bottom check valve end so the old-pump is free to move.
  3. 3) Carefully remove the old pump from the basin.
  4. 4) If possible unscrew the discharge pipe from the old-pump discharge port and screw it into the new-pump port; otherwise cut a new length of PVC piping.
  5. 5) Check valves do not last forever, it is wise to replace them when installing a new-pump.
  6. 6) Place the new-pump in the basin making sure it is sitting solidly on the basin bottome
  7. 7) Tighten the bottom check-valve end to the discharge pipe attached to the M57.
  8. 8) Plug the motor cord into the wall socket.
  9. 9) Fill the basin with water so the pump runs,, while it is running check for leaks.
  10. 10) No leaks, you are done! Congradulations!

If this is your first time for installing a sump-pump, you may want to read more detail and watch a video. Hopefully these Zoeller Sump Pump installation steps will help you so you can be more self-sufficient.

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Zoeller Sump Pump M57 Mighty Mate Manual

The M57 Manual provides the following: 1) Pre Installation Check List 2) What To Do and Not To Do During Installation 3) Common Causes for Problems and 4) Recommended Installation Diagrams.

Download The M57 Mighty Mate Manual. Since the M53 and M57 both belong to the Mighty Mate Series their Manuals are interchangeable.

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M57 Sump Pump Warranty

The warranty period for the M57 is 3 years.

Zoeller Pump Company has increased the warranty period from one year to three years. It is very unlikely that your Mighty Mate will fail during the three years. All of their pumps are USA factory tested before shipping; therefore it should work after installation. In addition it is unlikely that the float switch will fail during the three year time period. If you have any issues feel free to call Zoeller 1-800-928-7867.

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M57 Zoeller Sump Pump Parts

Remember the M57 is built to last; therefore keep your M57 if the switch fails before you replace it with a new one after 3-5 years of heavy usage. No switch will last forever. Changing the replacing the switch is part of maintenance. Fortunately it is easy for a non plumber to buy parts on Amazon. It is more eco-friendly and more pocket friendly to replace a broken part than disguard a failed pump.

All replacement parts are made by Zoeller; therefore they will fit and work. The following parts are readily available online: gasket, switch, case cover, assembly arm, impeller and float.

The only thing we have replaced on our thirteen year old Zoeller Mighty Mate M53 is a gasket which was very easy to replace.

The Zoeller float switch will fail before the motor or housing; therefore Zoeller makes replacement switches available for the Mighty-Mate M57.

The replacement switch part number #004892 is made by Zoeller; therefore it fits perfectly any of the series 50 and 90s sump pumps. The switch is easy to replace. See the Mighty Mate 17 Installation Steps with pictures.

The easiest and quickest way to replace the switch is to buy the entire case cap assembly which already has a new switch, gasket and arm encased. The part number is 004702. If the water level is down to the impeller and the four screws holding the pump head turn, it may be possible to loosen the screws and replace the switch cap without removing the pump from the pit.

Download the complete M57 Parts List here. M53 and M57 use the same parts since they both belong to the Mighty Mate Series.

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The M57 Discount Price

We have compared prices from various websites and have found Amazon to be the cheapest or same price as other online stores; therefore we provide the link for buying the M57 through Amazon.

Amazon is dependable and for those who are Prime Members, they offer very quick delivery.

If your current pump runs a lot during heavy rainstorms and then runs very little during no rain periods, we recommend you purchase the N57 which comes without a float switch. Installing an external separate float switch allows you to customize the ON OFF points for the motor which decreases motor short cycling and extends the life of the motor.

Our favorite external switch is the HC6000 which is electronic, has no moving parts, is not affected by water contaminates or chemicals and has a lifetime warranty. We installed ours in 2011, have done no maintenance to it and it is still working perfectly.

Each time a new pump is installed it is highly recommended the check valve be replaced as well because they do fail.

Our favorite is the Quiet Check valve because it is so quiet. The Traditional check valve is also available.

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