SEAFLO 41 Series 12V Water Pump, 4.5 GPM, 40 PSI, Self-Priming, Smart Pressure Switch

Model # 23745771 Mfg # SFDP1-045-040-41
3.1 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
SEAFLO 41 Series 12V Water Pump, 4.5 GPM, 40 PSI, Self-Priming, Smart Pressure Switch
Model # 23745771 Mfg # SFDP1-045-040-41
3.1 out of 5 Customer Rating
Orders placed by 3 PM EST typically ship the same day. Orders placed after this time will be processed the next business day.
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SEAFLO 41 Series 12V Water Pump – 4.5 GPM, 40 PSI, Self-Priming, Smart Pressure Switch, UL/CSA Certified – For RV, Marine & Off-Grid

The SEAFLO 41 Series 12V Water Pressure Diaphragm Pump delivers powerful, reliable water flow with a 4.5 GPM capacity and 40 PSI shut-off pressure. Designed for RVs, boats, off-grid cabins, and industrial uses, this self-priming pump supports suction lifts up to 6 feet and features a smart pressure switch for automatic operation without the need for an accumulator tank. Built with corrosion-resistant EPDM valves and a Santoprene diaphragm, it ensures durable, long-lasting performance in both freshwater and saltwater environments. Quick-connect fittings and a quiet quad-chamber bypass design make installation and maintenance easy and hassle-free. Certified by UL, CSA, and other quality standards, the pump comes backed by a 4-year warranty for peace of mind.

Key Features

  • Delivers a strong 4.5 GPM flow rate at 40 PSI, capable of supplying up to 5 fixtures simultaneously
  • Self-priming design allows suction lift up to 6 feet and can run dry without causing damage
  • Smart pressure switch automatically starts and stops the pump based on water demand for efficient operation
  • Constructed with EPDM valves and a Santoprene diaphragm for excellent corrosion resistance in fresh and saltwater
  • Equipped with quick-connect ports, standard mounting pattern, and vibration-dampening feet for easy installation

Activation Method Automatic
Capacity 4.5 gpm
Material Polypropylene and Stainless Steel
Shape Round
Voltage 12V

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