1250 GPH Ultima Automatic Bilge Pump

Keep your bilge water moving with this 1250 GPH Ultima Automatic Bilge Pump featuring an integrated Ultima switch and a compact, all-in-one design.

Key Features

• Integrated Ultima automatic switch for hands-off bilge control
• Patented Mirus field detector cells
• No exposed sensors to help eliminate corrosion possibilities
• Not affected by oil or foreign debris
• Uses 1-1/8″ and 1-1/4″ threaded discharge ports
• Removable check valve included
• Made in USA

Product Compatibility

• Marine and boat bilge water removal
• Automatic bilge pumping installations using 12V bilge pump wiring and controls
• Livewell/bilge-style applications where an automatic discharge pump setup is used (installation requirements may vary)

Product Details

• Title: 1250 GPH Ultima Automatic Bilge Pump
• SKU: 189-3247261002
• Output capacity: 1250 GPH
• Discharge connections: 1-1/8″ and 1-1/4″ threaded ports
• Check valve: removable (included with the pump)
• Switching: integrated Ultima automatic switch
• Product packaging/weight (from variant data): 667 grams
• Additional technical specifications located from source data: 12V, 3 Amps; hose connection sizes listed as 1-1/8″ & 1-1/4″ barb; the 1250 GPH model does not use Dura-Port fittings

Parts Desk Insights

Best Use Case: A strong choice for automatic bilge pumping where you want a compact pump-and-switch setup and the specified threaded discharge sizes for compatible plumbing.

Common Issues: Most install problems come from discharge plumbing alignment and ensuring the check valve/backflow prevention is correctly oriented. Also verify hose sizing to the listed barb connections and keep the bilge intake area free of debris so the pump can run effectively.

Related Products & Accessories

• Bilge Pump Switches & Accessories – Browse the bilge pumps and switches category to find related hoses, fittings, and installation items that match your discharge layout.