Buy Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 HpZoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp Product Description:
- 1/3 H.P. motor
- 1-1/2" NPT Discharge & Passes 1/2" spherical solids
- Non-clogging vortex impeller design
- Durable cast iron switch case, motor, and pump housing
- Automatic with float activated switch
Product Description
Zoeller Pump Co. M-53 Mighty Mate clear effluent or dewatering submersible pump. Choice of many plumbers and contractors. 1/3 HP cast iron housing with plastic vortex impeller.
9ft. power cord. Truely a all star pump. Powder coated epoxy CI and SS fastners. Oil filled motor with thermal overload. CSA UL SSPMA
Customer Reviews
Most helpful customer reviews
53 of 53 people found the following review helpful.
By Victor H. Agresti
Zoeller M-53 Sump PumpA house we are remodeling had a leaky basement. Heavy rains lasting a few days resulted in an inch or more of water in the basement. A real mess. We got bids from 6 basement waterproofing companies. Five companies said they installed Zoeller M-53s because they were the most reliable pump they were aware of, and angry customers with failed pumps were bad for business.The company we hired did a great job, as the basement is now bone dry regardless of rainstorms. The M-53 is so quiet, that unless you are near the sump basin, you can't hear it run. It's only been a year since installation, so I can't rate pump longevity; but so far, it's worked just fine.The M-53 turns on when the water level depth is 7", and shuts off when the water depth is 3".The contractor installed a sump basin with TWO pumps: an M-53 and the Zoeller model 507 backup pump, which uses a 12-volt marine-battery. At a 5 feet head (from pump to water discharge), the M-53 pumps 43 gallons per minute, and the 507 does 23 GPM. A backup battery operated pump provides extra protection when the primary AC pump fails due to: storms, brownouts, the primary pump fails due to damage, mechanical malfunction or obstructions in the pit, or when the primary pump fails due to damage, mechanical malfunction or obstructions in the pit, or when the primary pump fails to keep up with excessive water due to rain or overloading. As far as I know, the 507 has never kicked-in, but it does eliminate worries about basement flooding.The bottom assembly (containing the feet) is plastic on this pump, as is the impeller. Zoeller makes a better version, called the M-57, which is identical to this one, except the base is cast iron, as is the impeller. A cast iron impeller will hold up better to gravel, sand, or other hard things being sucked in to the pump, as compared to the plastic impeller of the M53.I own two M53s and an M57. The M57 feels like it weighs 10 pounds more, due to its additional cast iron. If you drop the M53 (e.g., while servicing it), the plastic base looks like it could easily break. If you drop the M57, you'll dent your floor. If I had it to do again, I'd get M57s, even though the M53 is a fine pump.
49 of 50 people found the following review helpful.
By David W. Safian
This is a solidly-built pump that will last for many years. It's a tried and true design that hasn't changed in years. You can get parts for it at your local Zoeller dealer to repair the unit, if you are willing to do so. However, after several years of using it I can definietly say that the pump switch is the weak link. My first pump switch failed a year. A coworker who I recommended the pump to also had a switch fail after 2 years. The pump itself good, but the switch is junk. My recommendation would be to get a Zoeller pump without the integrated float switch, and run an external switch. That way you can easily replace the external float switch every couple of years.
50 of 52 people found the following review helpful.
By Zaine Ridling
Had this pump for four years in my house and eight years in my businesses ' it has never failed yet. Those people who give it bad reviews often don't have a clue to what a sump pump does, and the different types. Zoeller's M53 shares the same dimensions and is nearly identical to the M57. The M53 has a cast iron switch case, motor, and pump housing, a thermoplastic base, and an engineered plastic impeller with metal insert. Like the M57, it can pump 43 gallons (163L)/minute, passes half-inch solids, and shares a 1.5" discharge. Zoeller is the industry standard: don't let anyone tell you differently. It's the brand the professionals use and the plumbers recommend. If you need the extra casing weight and prefer a cast iron impeller, get the M57.
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