SEAFLO
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SEAFLO 42 Series On Demand Water Pressure Pump 12V 3.0 GPM 55PSI, with Bypass for Reduced Cycling, Self-Priming, For Marine/RV/Off-Grid, CE & Rohs Certified, UL Listed,
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SEAFLO 42 Series On Demand Water Pressure Pump 12V 3.0 GPM 55PSI, with Bypass for Reduced Cycling, Self-Priming, For Marine/RV/Off-Grid, CE & Rohs Certified, UL Listed,
Powerful automatic pressure pump with smooth, silent operation and low current draw
SEAFLO 42 Series On Demand Water Pressure Pump 12V 3.0 GPM 55PSI, with Bypass for Reduced Cycling, Self-Priming, For Marine/RV/Off-Grid, CE & Rohs Certified, UL Listed,
Item #: 217836647

SEAFLO 42 Series On Demand Water Pressure Pump 12V 3.0 GPM 55PSI, with Bypass for Reduced Cycling, Self-Priming, For Marine/RV/Off-Grid, CE & Rohs

82% of respondents would recommend this to a friend

Item #: 217836647

XAF 29412

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Powerful automatic pressure pump with smooth, silent operation and low current draw
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What Stands Out

High Efficiency
With a flow rate of 1.2 GPM and 35 PSI, this pump efficiently delivers water, making it ideal for RVs, boats, and off-grid applications, ensuring you have reliable water pressure wherever you are.
Quiet Operation
Designed for minimal noise, the SEAFLO pump operates quietly, allowing for a peaceful environment in RVs and boats, enhancing the overall experience during travel or leisure activities.
Self-Priming
The self-priming capability ensures easy installation and operation, eliminating the hassle of manual priming, which provides convenience and reliability during critical water supply situations.

Product Details

Shop for a reliable and efficient New RVMarine 12V DC Water Pump at Ubuy Central African Republic. Self-priming and delivers 35 PSI for fresh water needs.
Power SourceDC
Flow Rate3 Gallons Per Minute
Maximum Lifting Height6 Feet
Voltage12 Volts (DC)
ColorOrange
Product Style3.0 GPM - 55 PSI
Item Dimensions L x W x H7.97"L x 4.92"W x 4.37"H (20.2 x 12.5 x 11.1 cm)
Item Weight4.8 Pounds (2.18 kg)
Material TypePump head: nylon. Pump head cover: PPS. Motor housing: polypropylene. Valves/seals: EPDM. Diaphragm: Santoprene
Brand NameSEAFLO
Model NumberSFDP1-030-055-42
ManufacturerSEAFLO
UPC647336945584 715934427631
Specific Uses For ProductMarine, RV, Off-Grid
Manufacturer Part NumberSFDP1-030-055-42
Unit Count1.0 Count
Included Components51S01 Filter, 51F01 Fitting
BrandSEAFLO
MaterialPump head: nylon. Pump head cover: PPS. Motor housing: polypropylene. Valves/seals: EPDM. Diaphragm: Santoprene See more
Style3.0 GPM - 55 PSI
Product Dimensions (L x W x H)7.97"L x 4.92"W x 4.37"H (20.2 x 12.5 x 11.1 cm)
Maximum Flow Rate3 Gallons Per Minute

Who Should Buy?

Suitable For
  • RV Owners

    Ideal for RV users needing reliable water pressure for showers, sinks, and other appliances while on the road.

  • Boat Enthusiasts

    Perfect for boat users requiring dependable water supply for kitchen and bathroom use during long trips.

  • Off-Grid Users

    Great for off-grid living where electricity and reliable water systems are limited and self-sufficiency is essential.

Not Suitable For
  • High Demand Situations

    Not suitable for environments needing high flow rates or continuous water pressure beyond its 1.2 GPM capacity.

Product Description

SEAFLO 42 Series On Demand Water Pressure Pump 12V 3.0 GPM 55PSI, with Bypass for Reduced Cycling, Self-Priming, For Marine/RV/Off-Grid, CE & Rohs Certified, UL Listed,

About This Item

Introducing the powerful and efficient New RVMarine 12 Volt DC 12 V DEMAND Fresh Water Diaphragm 35 PSI Self Priming PUMP. This 100% brand new pump is designed to deliver reliable water pressure for your marine, RV, agriculture, and recreational applications. With a flow capacity of 1.2 Gallons per minute (4.3 LPM) and a pressure rating of 35 PSI, this pump offers impressive performance.

It is extremely efficient, drawing very low current, yet providing a high capacity output. The self-priming feature allows for easy and convenient operation, while the smooth and silent operation ensures a peaceful experience. Built to last, this pump can even run dry without causing any damage.

It is equipped with thermal overload and ignition protection, ensuring the safety and longevity of the pump. The easy connecting system allows for hassle-free installation. Designed for professional use, this pump is ideal for marine, caravans/RV, and agriculture applications.

Its built-in pressure switch turns on and off automatically as you turn your tap or nozzle on and off, providing a convenient experience. Please be cautious of inferior non-genuine products on the market that claim to be just as good. Our New RVMarine 12 Volt DC 12 V DEMAND Fresh Water Diaphragm 35 PSI Self Priming PUMP is a reliable and high-quality choice.

Specifications: - Voltage: 12V DC - Flow capacity: 1.2 Gallons per minute (4.2 Litres per minute) - Water pressure: 35 PSI - Hose Outlets: Fixed 10mm (3/8) diam. hose tails - Twin core wire - Current Draw: 1.7 Amp (max. 2.7 Amp) - Dimensions: Length 170mm x Width 100mm x Height 67mm - Approvals: CE This pump is suitable for all sizes of boats, caravans, mobile homes, and more.

It can be used for sinks, taps, showers, toilets, or any other application where water transfer is required. Choose the trusted performance of the New RVMarine 12 Volt DC 12 V DEMAND Fresh Water Diaphragm 35 PSI Self Priming PUMP for your water pressure needs.

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DC Diaphragm Water Pump

Customer Questions & Answers

  • Question: What are the main features of the SEAFLO 21-Series Water Pressure Diaphragm Pump?

    Answer: The SEAFLO 21-Series Water Pressure Diaphragm Pump boasts essential features like a 12V DC power supply, a flow rate of 1.2 GPM, and a maximum pressure of 35 PSI. Its adjustable pressure switch allows you to customize the pump's operation based on your specific needs. The self-priming capability ensures efficient pumping even when the water source is located below the pump, while its quiet operation minimizes noise pollution, making it perfect for RVs and boats where serenity is key.
  • Question: How does the adjustable pressure switch work on this pump?

    Answer: The adjustable pressure switch on the SEAFLO 21-Series allows you to set the desired pressure level for your water system. By turning a simple screw on the switch, you can adjust the pressure, enabling you to control the water flow according to your requirements. This feature is especially useful for applications where varying water pressures are needed, such as in different plumbing systems on RVs and boats.
  • Question: Can this pump be used for both freshwater and saltwater applications?

    Answer: Yes, the SEAFLO 21-Series Water Pressure Diaphragm Pump is suitable for both freshwater and light saltwater applications. Its robust construction and materials are designed to withstand the corrosive effects of saltwater, making it an ideal choice for marine environments. It's perfect for various tasks like filling up water tanks, supplying water for washdowns, or shower stations on boats.
  • Question: What installation requirements should I consider for the SEAFLO pump?

    Answer: Installing the SEAFLO 21-Series pump requires a 12V DC power source and appropriate plumbing lines. Ensure to have the pump mounted securely, ideally below the water level to enhance self-priming. You will also need to connect the inlet and outlet hoses securely to avoid leaks. This pump is great for providing consistent water pressure in RVs and boats, facilitating a reliable water supply wherever you go.
  • Question: Is the SEAFLO 21-Series pump noisy during operation?

    Answer: No, one of the key advantages of the SEAFLO 21-Series Water Pressure Diaphragm Pump is its quiet operation. Unlike some other pumps that create significant noise, this model operates with minimal sound, making it a fantastic choice for use in RVs and boats where a peaceful environment is desired. Users enjoy operating this pump without disturbing the tranquility of their surroundings.
  • Question: What flow rate can I expect from the SEAFLO 21-Series pump?

    Answer: The SEAFLO 21-Series Water Pressure Diaphragm Pump delivers a flow rate of 1.2 gallons per minute (GPM). This flow rate is generally sufficient for running multiple water fixtures simultaneously, such as sinks, showers, or waste disposal systems. Users find this level of efficiency ideal for a variety of scenarios, whether filling up water tanks or supplying continuous water flow during outdoor activities.
  • Question: What maintenance does the SEAFLO 21-Series pump require?

    Answer: Maintenance for the SEAFLO 21-Series Pump is straightforward. Regularly check for leaks in the connections and ensure that the intake filter is clean to prevent clogging. It's also advisable to inspect the pump for any wear and address issues promptly to ensure longevity. Users appreciate this minimal maintenance requirement, allowing them to focus on enjoying their time on the water rather than worrying about equipment upkeep.
  • Question: What safety features are included with the SEAFLO 21-Series pump?

    Answer: The SEAFLO 21-Series Water Pressure Diaphragm Pump includes built-in thermal protection that automatically shuts down the pump if overheating occurs. This feature protects both the pump and connected systems from damage and ensures safe operation during prolonged use. This thoughtful design element reassures users, particularly during extended excursions on their RVs or boats.
  • Question: How does the self-priming feature benefit the pump's operation?

    Answer: The self-priming feature of the SEAFLO 21-Series pump allows it to start pumping water automatically without needing to manually fill the pump first. This is particularly beneficial in scenarios where the water source might be lower than the pump itself, making it a favorite among boat owners and RV enthusiasts. The convenience of this feature simplifies water management in your outdoor adventures.
  • Question: Where can I buy the SEAFLO 21-Series Water Pressure Diaphragm Pump?

    Answer: You can purchase the SEAFLO 21-Series Water Pressure Diaphragm Pump on Ubuy in Central African Republic. Ubuy offers a reliable shopping experience and a wide selection of products, making it easy for you to find this high-performance pump and have it delivered directly to your location.

SEAFLO Water Pumps & Accessories SFDP1-030-055-42 Editorial Review

**Editorial Review** The reception of this pump among users paints a picture of mixed experiences, emphasizing both performance and customer service challenges. The pump is generally lauded for its powerful output and quick installation, making it a useful addition to various applications, including freshwater and saltwater boating, as well as home irrigation systems. Many users reported enjoying Consistent pressure and reliability, and especially noted improvements over older models, particularly when coupled with an accumulator tank. The ability to adapt to various setups, such as being connected to a solar-powered system, is also appreciated. However, despite these benefits, some customers encountered significant issues. Reports of pumps cycling erratically, encountering priming challenges, or ceasing to function entirely emerged as recurrent themes. Warranty support appeared subpar, with several users highlighting frustrations in contacting customer service regarding repairs or replacements. Limited responses from the company added to dissatisfaction, leaving some customers feeling abandoned. All in all, while there are strong advocates for the pump’s capabilities and efficiency, potential buyers should be cautious about the risk of encountering reliability issues and the adequacy of customer service support. **

Customer Reviews & Ratings

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Pros

  • Strong water pressure and Consistent performance.
  • Easy installation process.
  • Ideal for various applications, including boating and garden irrigation.
  • Quiet operation compared to previous models.
  • Positive feedback on enhancements over older pump versions.

Cons

  • Frustration with slow response times and difficulty in obtaining repairs.

Platform Trust & Buyer Confidence

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Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XAF 29412

Order now and get it around Wednesday, August 26

QTY:

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Features & Benefits

  • 1.2 Gallons Per Minute (4.3 LPM) capacity flow, and 35 PSI pressure
  • Self priming and can run dry without damage
  • Built-in pressure switch for automatic on/off
  • Professional grade pump, ideal for marine, RV, and agriculture applications
  • Low power draw and thermal overload protection
  • Suitable for various water transfer applications

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