33 Series 110V/115V AC Fresh Water Pump, 3.3 GPM 45 PSI Self-Priming Pressure Pump with Smart Pressure Switch

Main Features

  • SPECIFICATIONS: Model: SFDPA1-033-045-33 | Voltage: 115V | Flow Rate: 3.3 GPM (12.5 LPM) | Shut-Off Pressure: 45 PSI (3.1 BAR) | Max Draw: 1.0A | Self-Priming Lift: 6 ft | Ports: 1/2"-14 MNPT | Max Temperature: 140°F (60°C) | Diaphragm: Santoprene | Valves: EPDM | Certifications: NSF/ANSI/CAN 61 & 372, NSF 24, UL 778, 
  • BUILT TO NSF UL Standards FOR RV POTABLE WATER: Built to NSF/ANSI/CAN 61 & 372 (Potable Water Safety), NSF 24 (RV Plumbing), and UL 778 (Motor-Operated Water Pumps) Safe for drinking water and compliant with RV and marine plumbing standards across North America.
  • INCLUDED COMPONENTS: Includes the SEAFLO 33-Series Pump, 50 Mesh Inlet Strainer, (2) 1/2" Barbed Hose Fittings, Wall Plug for 115V AC Power, Mounting Hardware, and User Manual for a complete plug-and-play setup. Perfect for DIY installs in RVs, marine applications, cabins, and household systems with minimal tools required.
  • SELF-PRIMING AND RUN DRY CAPABLE: Self-primes up to 6 feet and can run dry without damage, giving you flexibility to install above water tanks and assurance during fluctuating tank levels. The run-dry safety prevents internal wear, making this pump ideal for rugged and remote system conditions.
  • AUTOMATIC ADJUSTABLE PRESSURE SWITCH: Features a smart pressure switch that activates on water demand and stops when not needed. The adjustable PSI range (17–60 PSI) lets you fine-tune performance for RVs, boats, and cabins. Enjoy hands-free operation for sinks, showers, toilets, and more.
  • ULTRA QUIET WITH VIBRATION DAMPENING: Built with a rubber mounting base that isolates vibration and sound, this pump operates at a noise level similar to a standard fan. It's the best choice for low-noise zones like boat cabins, RV sleeping quarters, or off-grid homes where silence is golden
  • EASY WALL PLUG-IN FOR INSTANT USE: Pre-installed with a standard 115V wall plug, the SEAFLO 33-Series is easy to install with no wiring experience needed. Just plug it into a power outlet and connect the plumbing. Ideal for cabins, small homes, boats, or RVs without onboard 12V DC systems.

Technical Details



Number of Items1
UPC793945652211 793945654697 647336948127
Unit Count1 Count
Specific Uses For ProductMarine, RV, Household Water Systems
Included ComponentsWater Pressure Pump, intake strainer, fittings


Power SourceStandard 115V AC Household Plug
Flow Rate3.3 gpm
Maximum Lifting Height6 feet
Voltage115 volts
ColorBlack, White
Product Style3.3 GPM | 115V
Item Dimensions L x W x H7.98"L x 5.11"W x 4.84"H
Item Weight4.2 pounds
Material TypeAcrylonitrile Butadiene Styrene (ABS)

Shipping & Returns

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