Description
Attwood Sahara MK2 500 GPH Auto Bilge Pump | Boat Supply Store
This 12V automatic bilge pump is engineered to solve the common problem of air-locks in marine environments, ensuring consistent dewatering for vessels up to 35 feet. It delivers a reliable 500 GPH flow rate using a permanent magnet motor with a stainless steel shaft and steel-reinforced seals, providing extended service life even in demanding conditions. Its innovative X-Air™ Impeller technology actively prevents air-locks, a critical factor for maintaining bilge integrity in saltwater or freshwater applications, such as those found around the Texas coast. Find this essential marine component at Boat Supply Store.
Key Features
- Eliminates air-locks with patented X-Air™ Impeller
- Cool-running design for extended service life
- Reliable permanent magnet motor and stainless steel shaft
- Durable steel-reinforced seals
- Easy installation with external mounting feet and integrated outlet
- Simplified replacement via universal mounting pattern
- Convenient service with one-handed pump cartridge access
- Extended lifespan with SteadySwitch™ technology reducing cycling
Specifications
| Product Specifications | |
|---|---|
| Flow Rate | 500 GPH |
| Voltage | 12V DC |
| Operation | Automatic |
| Impeller Type | X-Air™ |
| Motor Type | Permanent Magnet |
| Shaft Material | Stainless Steel |
| Seal Type | Steel-Reinforced |
| Water Ingress Protection | Enhanced (vs. MK1) |
| Electrolysis Protection | Enhanced (vs. MK1) |
Who This Is For
This automatic bilge pump is ideal for boat owners and marine technicians requiring a dependable dewatering solution for both freshwater and saltwater environments. It is particularly suited for those who prioritize ease of installation, maintenance, and protection against common bilge pump failures.
How It Compares
| Feature | Attwood Sahara MK2 500 GPH Auto Bilge Pump | Rule |
|---|---|---|
| GPH | 500 | 500, 1100 |
| Voltage | 12V | 12V, 12V |
| Automatic | Yes | Yes, Yes |
| Air Lock Prevention | Patented X-Air™ Impeller | No, No |
| Protection vs. Water Ingress/Electrolysis | 2X better than leading competition | Not Specified, Not Specified |
| Ease of Service | One-handed cartridge service, external feet, integrated outlet | Not Specified, Not Specified |
Common Concerns Answered
Is the 500 GPH flow rate sufficient for all situations?
The 500 GPH flow rate is optimal for vessels up to approximately 35 feet. For exceptionally large boats or scenarios involving extreme flooding, a higher capacity pump may be necessary. However, for standard bilge maintenance and moderate water intrusion, this pump provides robust performance.
Does this pump require advanced electrical knowledge to install?
While designed for ease of installation, a basic understanding of marine electrical wiring and plumbing is recommended. The universal mounting pattern and external feet simplify the physical attachment, but proper electrical connections are crucial for reliable operation.
How does the Sahara MK2's protection against water ingress and electrolysis compare to other pumps?
The Sahara MK2 features enhanced protection, offering 40% better defense against water ingress and electrolysis compared to its predecessor (MK1) and is twice as effective as leading competitors. This superior design minimizes corrosion and electrical issues, extending the pump's operational lifespan.
Frequently Asked Questions
What is the GPH rating of the Attwood Sahara MK2 S500 Bilge Pump?
The Attwood Sahara MK2 S500 Bilge Pump has a flow rate of 500 Gallons Per Hour (GPH).
Is the Attwood Sahara MK2 S500 Bilge Pump automatic?
Yes, the Attwood Sahara MK2 S500 is an automatic bilge pump, equipped with Attwood's SteadySwitch™ technology for integrated, hassle-free operation.
What voltage does the Attwood Sahara MK2 S500 Bilge Pump operate on?
The Attwood Sahara MK2 S500 Bilge Pump operates on a 12-volt DC power supply.
How does the Sahara MK2 prevent air-locks?
The Sahara MK2 utilizes a patented X-Air™ Impeller specifically engineered to eliminate air-locks, ensuring continuous pumping even when air is present in the intake.
How does the Sahara MK2 offer improved protection against water ingress and electrolysis compared to previous models or competitors?
The Sahara MK2 provides enhanced protection through advanced sealing and material selection, offering 40% better resistance to water ingress and electrolysis than the MK1 model and twice the protection of leading competitors.
