Home
Check out the Zoeller YouTube Channel for Webinars, Tips, Trainings, and Product Videos!
X
Model 73 Sump Pump
X
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
Technical Support Literature
Sales Literature
Model Comparison Charts
Pump Performance Curves
-
Package and Accessories
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 | |
|
|
||
English 
Spanish 
French 
Chinese (Asia) 
Chinese (China) 