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Model 63 Sump Pump

Sump and Effluent Pumps // Residential Use Sump Pumps // Premium

Model 63 Sump Pump

PREMIUM SERIES submersible pump for dewatering (sump) systems

Features and Benefits

  • Float-operated, submersible, 2-pole mechanical switch integrating advanced switch technology
  • Corrosion-resistant, powder coated epoxy finish
  • All cast iron construction
  • Viton outer switch boot
  • No sheet metal parts to rust or corrode
  • Stainless steel screws, switch arm, guard and handle
  • No screens to clog
  • Watertight, neoprene square ring between motor and pump housing
  • Solid, buoyant, polypropylene float
  • Oil-filled, hermetically-sealed, automatic reset thermal overload protected motor
  • Upper and lower sleeve bearings running in bath of oil
  • Entire unit pressure-tested after assembly
  • Carbon and ceramic shaft seal
  • Maximum temperature for effluent or dewatering: 130 °F (54 °C)
  • Passes 1/2” (12 mm) spherical solids
  • 1-1/2” NPT discharge
  • On point: 7-1/4” (18 cm)
  • Off point: 3” (8 cm)
  • Major width: 10-3/32" (26.2 cm)
  • Major height: 10-1/16" (25.6 cm)
  • Watertight and dust-tight
  • Permanently oiled bearings
  • Cast iron impeller
  • 5 year limited warranty

Consult Factory for Special Applications:

  • Variable level long cycle systems
  • Alarm systems
  • Duplex systems
  • Variable level control systems.


The sizing of effluent systems normally requires variable level float(s) controls and properly sized basins to achieve required pumping cycles or dosing timers with non automatic pumps.

Reserve Powered Design.

For unusual conditions a reserve safety factor is engineered into the design of every Zoeller pump

Product Specifications

Motor 3/10 HP
Voltage 115 V
Phase 1 Ph
RPM 1550 RPM
Type Shaded pole
Insulation Class B
Amps 9.7 Amps
Operation Automatic
Auto On / Off Points 7-1/4" (18.4 cm) / 3" (7.6 cm)
Discharge Size 1-1/2" NPT
Solids Handling 1/2" (12 mm) spherical solids
Cord Length 10' (3.1 m) standard
Cord Type UL listed with 3-wire grounded plug
Max Head 19.25' (5.9 m)
Max Flow Rate 43 GPM (163 LPM)
Max Operating Temperature 130 °F (54 °C)
Cooling Oil filled
Motor Protection Auto reset thermal overload
Cap Cast iron
Motor Housing Cast iron
Pump Housing Cast iron
Base Cast iron
Upper Bearing Sleeve bearing
Lower Bearing Sleeve bearing
Mechanical Seals Carbon and ceramic
Impeller Type Non-clogging vortex
Impeler Cast iron
Hardware Stainless steel
Motor Shaft AISI 1215 cold rolled steel
Gasket Neoprene
  • cCSAus
  • Powder Coated Tough

Package Systems and Accessories