SEAFLO 42 Series 12V RV Water Pump, 3.0 GPM 55 PSI, 4-Year Warranty, On-Demand Fresh Water Pressure Pump with Bypass, Self-Priming for RVs, Boats, Marine & Off-Grid Use, UL Listed
SEAFLO 42 Series 12V RV Water Pump, 3.0 GPM 55 PSI, 4-Year Warranty, On-Demand Fresh Water Pressure Pump with Bypass, Self-Priming for RVs, Boats, Marine & Off-Grid Use, UL Listed
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30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
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✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
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About This
- [ SPECIFICATIONS ]: Model SFDP1-030-055-42 | Voltage 12V | 3.0 GPM (11.3 LPM) | 55 PSI | Max Draw 7.0A | Self-Priming 6 ft | EPDM Valves | Santoprene Diaphragm | Ports 1/2"-14 MNPT | 4-Year Warranty
- [ 4-YEAR LIMITED WARRANTY ]: Backed by SEAFLO’s industry-leading 4-Year Warranty, ensuring durability, confidence, and long-term protection for freshwater systems in marine, RV, and off-grid installations.
- [ CERTIFIED FOR POTABLE WATER SYSTEMS ]: Tested to NSF/ANSI/CAN 61 & 372 for safe drinking water contact and evaluated to NSF 24 and UL 778 performance standards, ensuring reliable operation in RV, marine, and off-grid pressurized water systems.
- [ HIGH-PERFORMANCE CONTINUOUS-DUTY OPERATION ]: Built for extended runtime, this pump delivers consistent 3.0 GPM flow and 55 PSI pressure, making it ideal for marine, RV, and off-grid systems that demand long-lasting reliability.
- [ SELF-PRIMING WITH RUN-DRY PROTECTION ]: Capable of self-priming up to 6 ft and safely running dry, the pump offers dependable performance during tank changes, low-water events, or installations requiring elevated mounting locations.
- [ INTERNAL BYPASS FOR SMOOTH QUIET FLOW ]: Integrated bypass technology reduces short cycling and pressure fluctuations, producing smoother water delivery and quieter overall operation in on-demand freshwater systems.
- [ DURABLE AND QUIET DESIGN ]: Santoprene diaphragm and EPDM valves provide long-term resistance to wear, while the rubber mounting base reduces vibration and noise for smoother, quieter operation in tight spaces.
- [ EASY INSTALLATION WITH STANDARD MOUNTING PATTERN ]: Features an industry-standard mount footprint and 1/2"-14 MNPT ports, allowing simple integration with common plumbing layouts in RVs, boats, and tiny home water systems.
- [ VERSATILE APPLICATIONS ACROSS MULTIPLE SYSTEMS ]: Ideal for pressurized water systems in RVs, boats, caravans, cabins, and agricultural setups, handling multiple fixtures with reliable performance and low maintenance needs.
Overview
- Brand : SEAFLO
- Color : Orange
- Material : Pump head: nylon. Pump head cover: PPS. Motor housing: polypropylene. Valves/seals: EPDM. Diaphragm: Santoprene Pump head: nylon. Pump head cover: PPS. Motor housing: polypropylene. Valves/seals: EPDM. Diaphragm: Santoprene
- Style : 3.0 GPM - 55 PSI
- Product Dimensions : 7.96"L x 4.92"W x 4.37"H
- Power Source : DC
- Item Weight : 4.8 pounds
- Maximum Flow Rate : 3 gpm
- Maximum Lifting Height : 6 feet
- Voltage : 12 volts_of_direct_current

Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
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See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
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FAQ
Water Filtration & Home Water Guide