Description
Johnson Pump 4000 GPH Bilge Pump 12V | Boat Supply Store
For vessels operating in challenging marine environments, this 12V, 4000 GPH bilge pump provides essential water management. Its liquid-cooled, 12-pole motor with double ball bearings ensures exceptional longevity under heavy use, drawing 15A with a recommended 25A fuse. Engineered with a high-impact ABS plastic body and a mechanical shaft seal, it offers robust performance for commercial fishing vessels navigating the Gulf of Mexico or recreational craft operating in rough offshore conditions.
Key Features
- High Flow Rate: Achieves 4000 GPH for rapid dewatering.
- Durable Motor: Features a 12-pole, liquid-cooled motor for extended operational life.
- Reliable Sealing: Equipped with a quality engineered mechanical shaft seal.
- Robust Construction: Built with high-impact ABS plastic for superior durability.
- Versatile Mounting: Universal base plate simplifies installation and alignment.
- Threaded Discharge: Offers a 1-1/2" threaded port for secure hose connection.
- Compliance Assured: Meets ISO 8849 Marine and CE standards for safety.
- Interchangeable Design: Easily integrates with most existing bilge pump systems.
Specifications
| Product Specifications | |
|---|---|
| Voltage | 12V |
| Flow Rate | 4000 GPH (252 L/min at straight flow) |
| Motor Type | Liquid-cooled, 12-pole with double ball bearings |
| Shaft Seal Type | Mechanical seal |
| Body Material | High-impact ABS plastic |
| Discharge Port Size | 1-1/2" threaded |
| Amperage Draw | 15A |
| Fuse Requirement | 25A |
| Height | 8.5" |
| Weight | 5.4 lbs |
| Standards Met | ISO 8849 Marine, CE |
Who This Is For
Commercial and recreational boat owners requiring high-performance, heavy-duty bilge pumping solutions for demanding applications. This pump is engineered for vessels that prioritize reliability and rapid water evacuation in challenging conditions.
How It Compares
| Feature | Johnson Pump 4000 GPH Bilge Pump 12V | Rule |
|---|---|---|
| Flow Rate (GPH) | 4000 | 3600 |
| Voltage | 12V | 12V |
| Discharge Port Size | 1-1/2" | 1-1/2" |
| Motor Type | 12-pole, Liquid Cooled | Brushless |
| Seal Type | Mechanical Seal | Lip Seal |
| Amperage Draw | 15A | 12A |
| Weight | 5.4 lbs | 3.5 lbs |
Common Concerns Answered
Are there common issues with this pump?
While less frequent than with lower-tier pumps, some users have reported occasional premature failures. This is mitigated by the pump's robust construction and the advanced motor design.
Does this pump include an automatic float switch?
This model does not include an integrated automatic float switch. For automatic operation, an external, compatible float switch would need to be wired separately.
Is the higher price point justified?
The higher cost reflects the advanced engineering, including the liquid-cooled 12-pole motor with double ball bearings and a mechanical shaft seal, which are designed for significantly increased longevity and reliability in demanding, heavy-duty applications compared to basic models.
Frequently Asked Questions
What is the maximum flow rate of the Johnson Pump 4000 GPH Bilge Pump?
The maximum flow rate is 4000 GPH (gallons per hour), which equates to 252 liters per minute when pumping straight.
What voltage does the Johnson Pump 4000 GPH Bilge Pump operate on?
This bilge pump operates on a 12V DC power supply.
What is the discharge port size for this bilge pump?
The discharge port is threaded and measures 1-1/2 inches in diameter.
What type of motor does the Johnson Pump 4000 GPH Bilge Pump have?
It features a liquid-cooled, 12-pole motor equipped with double ball bearings for enhanced durability and longevity.
Is a check valve included with the Johnson Pump 4000 GPH Bilge Pump?
Yes, a removable check valve is included with the pump.
