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Zoeller M98 Flow-Mate - 1/2 HP Cast Iron Submersible Sump Pump w/ Vertical Float Switch

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Zoeller M98 Flow-Mate - 1/2 HP Cast Iron Submersible Sump Pump w/ Vertical Float Switch

Availability: In stock


Concidered one of America's most popular sump pumps. This robust family of sump pumps is known for reliability, durability and performance. The preset, integram snap-action float switch is engineered for one million mechanical starts. The heat-dissipating cast iron body with powder coated epoxy finish provides maximum pumping performance under the most extreme conditions. With Zoeller's cool run design, the hermetically sealed, oil-filled motor and non-clogging vortex impeller add up to a long-lasting, trouble-free product.



Zoeller M53 Features and Benefits

  • Automatic Submersible Cast Iron Sump Pump
  • Thermally Protected, Permanent Split Capacitor Motor
  • Vertical Float Switch
  • Clog-Resistant Design
  • Corrosion-resistant, powder-coated epoxy finish
  • Durable, cast iron construction
  • Cast iron switch case, motor, pump housing and base
  • No sheet metal parts to rust or corrode
  • All castings are cast iron class 25-30 25000# tensile strength
  • Stainless steel screws, guard, handle, arm and seal assembly
  • Float-operated 2-pole mechanical switch
  • Permanent split capacitor motor, oil-filled and hermetically-sealed, automatic reset thermal overload protection
  • Bearings – upper and lower oil-fed cast iron
  • Carbon and ceramic shaft seal
  • Entire unit pressure-tested after assembly
  • Watertight, neoprene square ring between motor and pump housing
  • Maximum temperature for effluent or dewatering: 130 °F (54 °C)
  • Passes 1/2” (13 mm) spherical solids
  • No screens to clog
  • 1-1/2” NPT discharge (1-1/2” x 2” PVC adapter included with BN and BE Models)
  • On point: 9-1/2” (24 cm)
  • Off point: 3” (8 cm)
  • Major width: 10-1/8" (25.7 cm)
  • Major height: 12" (30 cm)
  • Industry Leading Quality Control

Zoeler M53 Specifications

Min Sump Basin Size: 18 Inch
Horsepower: 1/2HP
Volt: 115
Phase: 1Ph
Hertz: 60Hz
Running Amps: 9.4
Operation: Automatic
RPM: 1725
Thermal Protection: YES
Power Cord Length: 15 Feet
Cord Type: UL listed, 3-wire cord and plug
Oil Free Motor: NO
Starting Amps: 29.2
Housing Material: Cast Iron
Solids Handling Size: .5 inch
Float Type: Vertical Float
GPH @ 0 feet: 4320
GPH @ 5 feet: 4320
GPH @ 10 feet: 3660
GPH @ 15 feet: 1500
Max Head: 23 feet
Max Flow Rate: 72 GPM
Max Operating Temp: 130 °F (54 °C)
Discharge Port Size: 1-1/2 inch
Built-in check Valve: NO
Float On: 9.5 inches
Float Off: 3 inches
Manual Override: NO
Made in USA: YES
Weight: 38lbs
Product Length: 10.125 inches
Product Width: 7.875 inches
Product Height: 12.06 inches

Additional Information

Additional Information

Manufacturer Zoeller
Attachment View File Zoeller M98 Sales Sheet Size: (4.95 MB)
Attachment View File Zoeller M98 Technical Data Sheet Size: (527.34 KB)
Attachment View File Zoeller Installation Instructions For Models 49,53,57,98,137,151,152,153,264,266,267,268 Size: (2.14 MB)
Product Reviews
Number of reviews : 3
Average rating : 5 /5
A. Anonymous
  the 30/03/2019
5/ 5
The pump exceeded my expectations
A. Anonymous
  the 09/12/2018
5/ 5
I never received the product, but I am familiar with it.
A. Anonymous
  the 06/11/2016
5/ 5
aooears to have what I need

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