SEAFLO 33 Series 12V RV Water Pump, 3.0 GPM 45 PSI Diaphragm

SEAFLO 33 Series 12V RV Water Pump, 3.0 GPM 45 PSI Diaphragm Pump, On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming Pressure Pump, NSF UL Certified, 4-Year Warranty
- [ SPECIFICATIONS ]: Model Number: SFDP1-030-045-33 | Voltage: 12V | Open Flow: 3.0 GPM (11.3 LPM) | Shut-Off Pressure: 45 PSI (3.1 BAR) | Priming Capabilities: 6 feet (1.8 meters) | Max Temperature: 140°F (60°C) | Ports: 1/2"-14 MNPT | Material: EPDM Valves / Santoprene Diaphragm.
- [ 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.
- [ HIGH-PERFORMANCE 3-CHAMBER DIAPHRAGM DESIGN ]: The advanced three-chamber diaphragm provides reliable 3.0 GPM flow at 45 PSI for consistent water delivery in marine, RV, and off-grid systems. This design minimizes cycling, ensures steady pressure, and enhances durability. Ideal for applications requiring moderate pressure and smooth performance.
- [ #1 TRUSTED OEM PUMP BRAND BY THE RV INDUSTRY ]: SEAFLO is the #1 OEM pump brand used by leading RV manufacturers across the USA. The 33 Series is trusted as factory-installed equipment for Forest River, Thor, Grand Design, Rev Group, Brinkley RV, Winnebago, and more, proving its reliability and widespread adoption in RV water systems.
- [ SUPPLIES UP TO 4 FIXTURES SIMULTANEOUSLY ]: This pump is engineered to supply up to four water fixtures at the same time, making it ideal for cabins, boats, and RVs. Enjoy steady flow to sinks, showers, and toilets without pressure drop. A true on-demand system built to deliver consistent performance across multiple outlets.
- [ AUTOMATIC ADJUSTABLE PRESSURE SWITCH FUNCTIONALITY ]: Equipped with a built-in automatic pressure switch, the pump starts and stops based on water demand. Adjust the pressure value by turning the screw, pressure range is 17-60PSI. It activates when a faucet is opened and shuts off when closed, giving you a truly automated system. Ideal for hands-free use in RVs, boats, or any remote plumbing setup.
- [ ULTRA-QUIET VIBRATION DAMPENING MOUNT ]: Includes a noise-reducing rubber mounting base that minimizes vibration and noise during operation. Perfect for quiet environments like RV interiors and marine cabins, it ensures smooth, silent performance without disruptive sounds even under full load.
- [ SELF-PRIMING AND RUN DRY CAPABILITY ]: The pump features self-priming up to 6 feet and can run dry without damage, providing installation flexibility above tank level and added protection in intermittent-use systems. This capability prevents internal damage and makes it perfect for varying water system needs.
Description
SEAFLO's SFDP1-030-045-33 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 3.0 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. The 33-Series can be used in a variety of applications and industries such as marine, boat, RV, industrial, and janitorial thanks to its versatility. Replaces Shurflo Model: 2088-422-444

Details
BRAND NEW SEAFLO SFDP1-030-045-33 Water Pressure Pump
Sleek finish in Orange and White SEAFLO colors
UL 778 & CSA 22.2 Certified
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
4 Year Warranty

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

Technical specifications
Voltage: 12V DC
Flow Capacity: 3.0 GPM
Amperage Draw: 3.0 A (MAX 6.0 A)
Valves: Viton
Diaphragm: Santropene
Inlet/Outlet: 1/2" Threaded MNPT
Dimensions: Approx. 7.84" x 5.00" x 4.62"

Country	USA
Brand	SEAFLO
Manufacturer	SEAFLO
Binding	Tools & Home Improvement
ItemPartNumber	SFDP1-033-045-33
Model	SFDP1-030-045-33
Warranty	4-Year Warranty
Color	White, Black, Orange
UnitCount	1
UPCs	793945653393
EANs	0647336944273
ReleaseDate	0000-00-00

SEAFLO 33 Series 12V RV Water Pump, 3.0 GPM 45 PSI Diaphragm Pump, On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming Pressure Pump, NSF UL Certified, 4-Year Warranty

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