

Johnson Pump 500 GPH Auto Bilge Pump 3/4″ Hose 12V Dura Port
$123.07 $110.76
Johnson Pump 500 GPH Auto Bilge Pump 3/4″ Hose 12V Dura Port
Weight | 1 lbs |
---|
500 GPH Ultima Combo Automatic Submersible Bilge Pump 12V
Johnson Pump Marine Ultima Combo bilge pumps are JPM’s proven Cartridge Bilge Pumps combined with the non-clogging electronic switch Ultima Switch™ for automatic operation. The electronic automatic switch Ultima Switch™ uses the patented Mirus field effect detector cells producing micro-electrical fields that detect disruptions caused by level of water present in the bilge and automatically activates and deactivates the pump.
CE-Approved
Features:
- Pre-configured with an electronic Ultima Switch for automatic operation
- Capacities 500 GPH, 750 GPH, 1000 GPH and 1250 GPH
- Extremely energy efficient
- Water-cooled motor for long service intervals
- Compact, all-in-one motor/impeller unit with stainless steel (SS2343) shaft
- No tools needed for maintenance, no need for complete disassembly. You can now leave the pump casing attached to both the boat and the hoses.
- 500 GPH, 750 GPH, and 1000 GPH pumps have easy-to-install Dura-Port discharge ports to eliminate stress cracking caused by over-tightened hose clamps
- 500 GPH, 750 GPH, and 1000 GPH pumps are delivered including both a straight and a 90° smooth elbow Dura-Port as well as a removable check valve
- Meets the international standard, ISO 8849 marine
- Pump body: Thermoplastic
- Shaft seal: Lip seal
- Shaft: Stainless steel
- Voltage: 12v
- Wire size: 16GA
- Hose size: 3/4″
- Includes Dura-port connection
Specifications
- Capacity 3ft (0.9 m) head (13.6V/27.2): 33 l/min – 525 GPH
- Capacity straight (13.6V/27.2V): 40 l/min – 630 GPH
- Amperage: 2.5 A
- Fuse size: 5 A
- Connection: 3/4″
- Length: 4.41″ (112 mm)
- Width: 4.25″ (108 mm)
- Height: 3.35″ (85 mm)
- Weight: 14.4 oz.


⚓ Smooth Sailing Shipping
Enjoy FREE standard shipping on most orders over $250 within the continental U.S. (excl. heavy/oversized/hazardous items).
We ship via UPS, FedEx, and USPS . Orders are processed in 1–2 business days with typical delivery in 1–5 business days .
🧭 Track The Voyage
You’ll receive tracking info by email once your order ships. If your package is marked “delivered” but not received, please wait 48 hours then reach out to our team.
🛟 Hassle-Free Returns & Exchanges
Returns accepted within 30 days of delivery. Items must be unused and in original packaging.
- Mistaken or damaged cargo? We’ll handle return shipping.
- Changed your course? Return shipping is on you.
- Report defects or damage within 7 days for a free exchange.
💰 Anchor Your Refund
Refunds go back to your original payment method within 5–7 business days after inspection.
📨 Contact the Crew
Questions about your order? Drop anchor at sales@marineelec.com .