Description
SEAFLO's SFDPA1-033-045-33 has an incredible feature list, high quality components, and amazing performance. UL 778 & CSA 22.2 Certified. The three-chamber high volume design, driven by a...

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Description
SEAFLO's SFDPA1-033-045-33 has an incredible feature list, high quality components, and amazing performance. UL 778 & CSA 22.2 Certified. The three-chamber high volume design, driven by a heavy-duty motor produces flow rates of 3.3 GPM. It is capable of self-priming up to 6 vertical feet and can run dry making it the price to performance leader. Everything in pictures is included such as a 51S01 Filter - 1/2 NPSM Inlet/Outlet and a 51F01 Fitting - 1/2 FNPSM x 1/2 Barb. This pump also features an electrical cord which can connect directly to any standard US outlet making installation easy and simple. The 115VAC 33-Series can be used in a variety of applications and industries such as marine, boat, RV, industrial, and janitorial thanks to its versatility.

Details
BRAND NEW SEAFLO SFDPA1-033-045-33 Industrial Water Pressure Pump
Sleek finish in Orange and White SEAFLO colors
UL 778 & CSA 22.2 Certified
Plugs into your standard wall outlet for ease of use
Self-priming up to 6 vertical feet
Features an automatic pressure switch that can be adjusted
Built-in check valve
Capable of run dry operation
Ignition Protected
Suitable for food grade applications

**For best results, please use supplied fittings. If using metal fittings, use caution when tightening**


Technical specifications
Voltage: 115VAC
Flow Capacity: 3.3 GPM
Amperage Draw: 0.75 A (MAX 1.2 A)
Valves: Viton
Diaphragm: Santropene
Inlet/Outlet: 1/2" Threaded MNPT
Dimensions: Approx. 7.98" x 5.11" x 4.84"



  • [ 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, CSA C22.2 No. 108 | 4-Year Warranty
  • [ 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.
  • [ NSF UL CSA CERTIFIED FOR RV POTABLE WATER ]: Tested and certified to NSF/ANSI/CAN 61 & 372 (Potable Water Safety), NSF 24 (RV Plumbing), UL 778 (Motor-Operated Water Pumps), and CSA C22.2 No. 108 (Liquid Pumps). Safe for drinking water and compliant with RV and marine plumbing standards across North America.
  • [ BACKED BY A 4-YEAR WARRANTY ]: Covered by SEAFLO’s 4-Year Limited Warranty, this pump is built for long-term reliability and peace of mind. Designed for tough freshwater demands, it’s the perfect choice for RVs, boats, cabins, and off-grid living where consistent performance is critical.
  • [ 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.
  • [ 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.
  • [ 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.
  • [ 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.
  • [ #1 TRUSTED OEM PUMP BRAND BY THE RV INDUSTRY ]: SEAFLO is the top OEM pump brand in the U.S. RV and marine industry, used by manufacturers like Forest River, Thor, Winnebago, Grand Design, Brinkley RV, and Rev Group. The 33-Series is factory-installed and trusted for long-term performance.
  • [ 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, CSA C22.2 No. 108 | 4-Year Warranty
  • [ 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.
  • [ NSF UL CSA CERTIFIED FOR RV POTABLE WATER ]: Tested and certified to NSF/ANSI/CAN 61 & 372 (Potable Water Safety), NSF 24 (RV Plumbing), UL 778 (Motor-Operated Water Pumps), and CSA C22.2 No. 108 (Liquid Pumps). Safe for drinking water and compliant with RV and marine plumbing standards across North America.
  • [ BACKED BY A 4-YEAR WARRANTY ]: Covered by SEAFLO’s 4-Year Limited Warranty, this pump is built for long-term reliability and peace of mind. Designed for tough freshwater demands, it’s the perfect choice for RVs, boats, cabins, and off-grid living where consistent performance is critical.
  • [ 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.
  • [ 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.
  • [ 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.
  • [ 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.
  • [ #1 TRUSTED OEM PUMP BRAND BY THE RV INDUSTRY ]: SEAFLO is the top OEM pump brand in the U.S. RV and marine industry, used by manufacturers like Forest River, Thor, Winnebago, Grand Design, Brinkley RV, and Rev Group. The 33-Series is factory-installed and trusted for long-term performance.

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