Check out the Zoeller YouTube Channel for Webinars, Tips, Trainings, and Product Videos!

X
MENU CLOSE

Model 73 Sump Pump


Model 73 Sump Pump

Residential Use Sump Pumps


Submersible pump for dewatering.

  • Features and Benefits
    • Oil-filled, hermetically-sealed motor with automatic reset thermal overload protection
    • Rugged, cast iron motor housing with corrosion-resistant, baked-on enamel finish
    • Efficient heat sink for heat dissipation
    • Engineered plastic base and pump housing with no screen
    • Passes 3/8” (9 mm) spherical solids
    • Reliable integrated vertical switch
    • Carbon and ceramic rotary seal
    • Watertight, NBR rubber seal between motor and cover
    • Stainless steel screws and hardware
    • Temperature rating: 104 °F (40 °C)
    • On point: 6-1/2” (16.5 cm)
    • Off point: 2-1/2” (6.3 cm)
    • Maximum width: 8-3/32″ (21 cm)
    • Maximum height: 11″ (27.9 cm)
    • Weight: 12.4 lbs (5.6 kg)
    • Fits 12″ (30 cm) diameter pits
    • 100% factory tested after assembly
    • 2 year limited warranty

    Notes

    Reserve Powered Design.
    For unusual conditions a reserve safety factor is engineered into the design of every pump.

  • Product Specifications
    Motor 1/3 HP
    Voltage 115 V
    Phase 1 Ph
    Hertz 60
    RPM 3450
    Type Permanent split capacitor
    Insulation Class B
    Amps 5.5 Amps
    Operation Automatic
    Auto On / Off Points 6-1/2″ (16.5 cm), 2-1/2″ (6.3 cm)
    Discharge Size 1-1/2″ NPT
    Solids Handling 3/8″ (9 mm) spherical solids
    Cord Length 9′ (2.7 m) – 20′ (6 m)
    Cord Type UL listed with 3 prong plug
    Max Head 18′ (5.5 m)
    Max Flow Rate 38 GPM (144 LPM)
    Max Operating Temperature 104 °F (40 °C)
    Cooling Oil filled
    Motor Protection Auto reset thermal overload
    Motor Housing Cast iron
    Pump Housing Engineered plastic
    Base Engineered plastic
    Upper Bearing Ball bearing
    Lower Bearing Ball bearing
    Mechanical Seals Carbon and ceramic
    Impeller Type Non-clogging vortex
    Impeller Engineered plastic
    Hardware Stainless steel
    Motor Shaft 410 stainless steel
    Gasket NBR
     

                 

  • Literature
  • Package and Accessories
  • Oil-filled, hermetically-sealed motor with automatic reset thermal overload protection
  • Rugged, cast iron motor housing with corrosion-resistant, baked-on enamel finish
  • Efficient heat sink for heat dissipation
  • Engineered plastic base and pump housing with no screen
  • Passes 3/8” (9 mm) spherical solids
  • Reliable integrated vertical switch
  • Carbon and ceramic rotary seal
  • Watertight, NBR rubber seal between motor and cover
  • Stainless steel screws and hardware
  • Temperature rating: 104 °F (40 °C)
  • On point: 6-1/2” (16.5 cm)
  • Off point: 2-1/2” (6.3 cm)
  • Maximum width: 8-3/32″ (21 cm)
  • Maximum height: 11″ (27.9 cm)
  • Weight: 12.4 lbs (5.6 kg)
  • Fits 12″ (30 cm) diameter pits
  • 100% factory tested after assembly
  • 2 year limited warranty

Notes

Reserve Powered Design.
For unusual conditions a reserve safety factor is engineered into the design of every pump.

Motor 1/3 HP
Voltage 115 V
Phase 1 Ph
Hertz 60
RPM 3450
Type Permanent split capacitor
Insulation Class B
Amps 5.5 Amps
Operation Automatic
Auto On / Off Points 6-1/2″ (16.5 cm), 2-1/2″ (6.3 cm)
Discharge Size 1-1/2″ NPT
Solids Handling 3/8″ (9 mm) spherical solids
Cord Length 9′ (2.7 m) – 20′ (6 m)
Cord Type UL listed with 3 prong plug
Max Head 18′ (5.5 m)
Max Flow Rate 38 GPM (144 LPM)
Max Operating Temperature 104 °F (40 °C)
Cooling Oil filled
Motor Protection Auto reset thermal overload
Motor Housing Cast iron
Pump Housing Engineered plastic
Base Engineered plastic
Upper Bearing Ball bearing
Lower Bearing Ball bearing
Mechanical Seals Carbon and ceramic
Impeller Type Non-clogging vortex
Impeller Engineered plastic
Hardware Stainless steel
Motor Shaft 410 stainless steel
Gasket NBR