SEAFLO
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SEAFLO 33 series RV Water Pump - 12V, 3.0 GPM 45 PSI Diaphragm Pump, Self Priming On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming Pressure Pump, NSF UL
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SEAFLO 33 series RV Water Pump - 12V, 3.0 GPM 45 PSI Diaphragm Pump, Self Priming On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming Pressure Pump, NSF UL
The 21-series of diaphragm pumps provide up to 1.2 gallons per minute with 35 PSI pressure, and can be run dry without harm - making it perfect for marine, RV, agriculture and recreational applications.
SEAFLO 33 series RV Water Pump - 12V, 3.0 GPM 45 PSI Diaphragm Pump, Self Priming On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming Pressure Pump, NSF UL
Item #: 217836647

SEAFLO 33 series RV Water Pump - 12V, 3.0 GPM 45 PSI Diaphragm Pump, Self Priming On Demand Fresh Water Pump for RV Camper Boat Marine, Self Priming

Item #: 217836647

SCR 2286

Price Details

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*All items will import from US

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Order now and get it around Thursday, July 09
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The 21-series of diaphragm pumps provide up to 1.2 gallons per minute with 35 PSI pressure, and can be run dry without harm - making it perfect for marine, RV, agriculture and recreational applications.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

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 the Seaflo 12V DC 1.2 GPM 35 PSI 21-Series Diaphragm Water Pressure Pump for Caravan, RV, Boat, and Marine at Ubuy Seychelles. Get reliable water pressure for your outdoor adventures.
  • Compact 21-Series diaphragm pump for various applications like liquid transfer, spraying, and filtration
  • Self-priming with the ability to run dry without damage
  • Provides up to 1.2 gallons per minute with built-in 35 PSI pressure switch for automatic stop/start
  • Suitable for marine, caravans/RV, and agriculture applications
  • Low power draw and smooth, silent operation with thermal overload and ignition protection
  • Dimensions: Length 170mm x Width 100mm x Height 67mm; Voltage: 12V DC; Water pressure: 35 PSI
Item Weight3 lbs (1.36 kg)

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.

  • Commercial Use

    Not recommended for commercial applications where heavy-duty performance and durability are necessary for long-term use.

  • Heavy Users

    Inappropriate for households with multiple high-demand fixtures operating simultaneously, as it may not meet water needs efficiently.

Product Description

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

Have any Query? Chat with us

Customer Questions & Answers

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

    Answer: The SEAFLO 21-Series Water Pressure Diaphragm Pump boasts several key features including a 12V DC operation, a flow rate of 1.2 GPM, and a maximum pressure of 35 PSI. It's designed with an adjustable pressure switch for customized operation, ensuring optimal performance based on your needs. The self-priming capability allows it to draw water from a source even when it's not positioned at the same level, making it ideal for RVs and boats. Additionally, its quiet operation ensures that it won't disrupt your peaceful journeys, proving to be both efficient and user-friendly.
  • Question: Is the SEAFLO 21-Series Pump suitable for marine applications?

    Answer: Yes, the SEAFLO 21-Series Pump is specifically designed for marine applications, making it an excellent choice for boats. Its self-priming feature allows it to effectively lift water from below deck, while the adjustable pressure switch ensures a steady and reliable water supply regardless of your boat's water source. This pump's quiet operation is also appreciated in marine settings, as it minimizes noise disturbances, creating a more pleasant experience on your boat.
  • Question: How does the adjustable pressure switch work on the SEAFLO 21-Series Pump?

    Answer: The adjustable pressure switch on the SEAFLO 21-Series Pump allows users to set the pressure at which the pump turns on and off. This customization is crucial for various applications, letting you adjust the water flow according to your specific needs. For instance, if you're using the pump for washing down your boat, you can set a higher pressure for a stronger spray, while lower-pressure settings can be ideal for gentle tasks like watering plants. This flexibility ensures maximum efficiency and control over your water flow.
  • Question: What power requirements does the SEAFLO 21-Series Water Pump have?

    Answer: The SEAFLO 21-Series Water Pump operates on a 12V DC power supply, making it compatible with most RV and boat electrical systems. This low voltage requirement means it can easily be powered by standard marine batteries, ensuring an efficient operation while minimizing energy consumption. Its 1.2 GPM flow rate is effective for multiple uses, whether you're using it for showers, sink use, or even rinsing off equipment, maximizing your convenience during outings.
  • Question: What maintenance is required for the SEAFLO 21-Series Pump?

    Answer: Maintenance for the SEAFLO 21-Series Pump is minimal but essential for ensuring longevity and optimal performance. Periodically, you should check for any blockages in the inlet and outlets, and clean filters if applicable. It's also wise to inspect the electrical connections for any signs of wear. Additionally, ensuring that the pump is not run dry (without water) during operation will prevent damage. Regular checks and preventative care can significantly enhance the lifespan of your pump while ensuring it runs smoothly whenever needed.
  • Question: Can the SEAFLO 21-Series Pump be used for agricultural applications?

    Answer: Absolutely! The SEAFLO 21-Series Pump is versatile enough for agricultural applications as well. Its ability to self-prime means it can draw water from tanks or reservoirs efficiently, making it ideal for watering crops, irrigation systems, or even for spraying herbicides. The adjustable pressure switch helps you customize the flow based on specific requirements, ensuring that your plants receive the right amount of water, whether for delicate seedlings or more established crops, enhancing your agricultural practice's efficiency.
  • Question: How quiet is the SEAFLO 21-Series Water Pressure Diaphragm Pump during operation?

    Answer: The SEAFLO 21-Series Water Pressure Diaphragm Pump operates with a notably quiet mechanism, a feature that users frequently praise. While the exact noise level can vary based on the installation and environment, it has been engineered to minimize sound during operation. This is particularly beneficial in settings like RVs and boats, where excessive noise can be intrusive. Enjoy your outdoor activities without the distraction of loud pumping sounds, ensuring a peaceful environment for relaxation or socializing.
  • Question: What installation requirements should I consider for the SEAFLO 21-Series Pump?

    Answer: Installing the SEAFLO 21-Series Pump generally requires basic plumbing and electrical skills. You'll need to connect it to a 12V DC power source, ensuring secure connections to avoid any electrical issues. Additionally, the pump should be placed in a location where it's easily accessible for future maintenance, and it should be mounted securely to prevent movement during operation. Follow the manufacturer's installation guide for step-by-step instructions to ensure optimal setup and performance in your RV or boat.
  • Question: What types of hoses are compatible with the SEAFLO 21-Series Pump?

    Answer: The SEAFLO 21-Series Pump is compatible with standard garden hoses and various sizes of tubing typically used in RVs and marine applications. It's essential to use hoses that can withstand the pump's output pressure of up to 35 PSI to ensure efficient operation. Common sizes would include 1/2 inch or 3/4 inch hoses, depending on your specific setup. This compatibility makes it easy to integrate the pump into your existing systems for applications such as water distribution and irrigation.
  • Question: Where can I buy the SEAFLO 21-Series Water Pressure Diaphragm Pump in Seychelles?

    Answer: You can buy the SEAFLO 21-Series Water Pressure Diaphragm Pump from Ubuy in Seychelles. Ubuy offers a comprehensive selection of products and ensures you have access to quality items like this pump. They provide detailed product descriptions, customer reviews, and various shipping options tailored for your convenience, ensuring that you can easily obtain the pump for your RV or boat.

SEAFLO Water Pressure Pumps Editorial Review

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • 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.

SCR 2286

Order now and get it around Thursday, July 09

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Powerful 12V automatic pressure pump
  • Can run dry without damage
  • Built-in pressure switch for automatic stop/start
  • Self-priming
  • Compact design
  • Ideal for marine, RV, agriculture and recreational applications