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Item #:
217836647
SEAFLO 21 Series Water Pressure Diaphragm Pump - 12V DC, 1.2 GPM, 35 PSI, Adjustable Pressure Switch, Self-Priming, Quiet Operation, Durable Compact
87% of respondents would recommend this to a friend
Item #:
217836647
SHP 68
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, September 10
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Perfect for RVs, boats, and off-grid water systems, this compact and efficient pump meets diverse water needs.
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Note: Step 1 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
| Brand Name | SEAFLO |
| Model Number | SFDP1-012-035-21 |
| Global Trade Identification Number | 00637776645502, 00640674580349, 00787721093749, 00810039498149, 06410038780111 |
| Number of Packs | 1 |
| Manufacturer | SEAFLO |
| Number of Items | 1 |
| UPC | 640674580349 787721093749 615200881986 637776645502 |
| Specific Uses For Product | Potable Water Pump |
| Included Components | 4-Year Warranty Card, Instructions, SEAFLO 21 Series Water Pressure Diaphragm Pump (SFDP1-012-035-21) |
| Manufacturer Part Number | PDP1-012-035-21 |
| Power Source | 12V DC (2-Pin Wire not Houseplug) |
| Flow Rate | 1.2 gpm |
| Maximum Lifting Height | 4 feet |
| Voltage | 12 volts_of_direct_current |
| Color | Black |
| Product Style | 1.2 GPM - 35 PSI |
| Item Dimensions L x W x H | 6.65"L x 3.94"W x 2.44"H (16.9 x 10 x 6.2 cm) |
| Item Weight | 1.3 pounds (590 grams) |
| Material Type | Polypropylene |
| Brand | SEAFLO |
| Material | Polypropylene |
| Style | 1.2 GPM - 35 PSI |
| Product Dimensions (L x W x H) | 6.65"L x 3.94"W x 2.44"H (16.9 x 10 x 6.2 cm) |
| Maximum Flow Rate | 1.2 gpm |
Who Should Buy?
-
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.
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Off-Grid Users
Great for off-grid living where electricity and reliable water systems are limited and self-sufficiency is essential.
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High Demand Situations
Not suitable for environments needing high flow rates or continuous water pressure beyond its 1.2 GPM capacity.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the flow rate of the SEAFLO 33 Series RV Water Pump?
Answer: The SEAFLO 33 Series RV Water Pump has a flow rate of 3.0 gallons per minute (GPM). This efficient flow rate makes it ideal for supplying fresh water to various applications such as RVs, campers, and boats. Whether you’re washing dishes or taking a shower, this pump provides reliable performance at an optimal pace, ensuring that your water needs are met promptly. -
Question:
Is the SEAFLO 33 Series pump self-priming?
Answer: Yes, the SEAFLO 33 Series pump is self-priming, meaning it can draw water from a source without the need for manual intervention. This feature is particularly beneficial in scenarios where the water source is positioned below the pump, such as in some RV setups. The self-priming capability allows for a hassle-free experience as you can utilize the pump efficiently without priming it every time. -
Question:
What is the maximum pressure rating of the SEAFLO 33 Series pump?
Answer: The SEAFLO 33 Series pump boasts a maximum pressure rating of 45 PSI. This level of pressure is suitable for most fresh water systems in RVs, ensuring robust and consistent water flow. The high-pressure capability allows for effective water distribution across multiple outlets, such as faucets and showers, enhancing your overall water use experience. -
Question:
Can the SEAFLO 33 Series pump be used in marine applications?
Answer: Absolutely, the SEAFLO 33 Series pump is designed for marine applications and is well-suited for boats. Its corrosion-resistant components and reliable performance in various conditions make it a suitable choice for marine environments. Whether you’re on a fishing trip or spending the weekend on your boat, this pump can easily meet your fresh water needs. -
Question:
What are the dimensions and weight of the SEAFLO 33 Series pump?
Answer: The SEAFLO 33 Series pump is compact and lightweight, making it easy to install in various setups. While the exact dimensions can vary slightly, it is designed to fit conveniently in tight spaces typical of RVs and boats. Its portability enhances usability, allowing you to transport it efficiently if needed. -
Question:
Does the SEAFLO 33 Series have a built-in thermal protection feature?
Answer: Yes, the SEAFLO 33 Series water pump includes built-in thermal protection. This feature helps prevent overheating by automatically shutting off the pump if it exceeds safe temperature levels. This safety measure prolongs the pump's life and reduces the risk of damage during continuous operation, providing peace of mind while using it. -
Question:
How loud is the SEAFLO 33 Series pump during operation?
Answer: The SEAFLO 33 Series pump operates at a decibel level that is generally low for a water pump, allowing for quiet operation during use. This is particularly advantageous in RVs and marine settings where peace and quiet are appreciated, ensuring that you can enjoy your relaxation time without disruptive noise from the pump. -
Question:
What type of maintenance does the SEAFLO 33 Series pump require?
Answer: The maintenance for the SEAFLO 33 Series pump is minimal but essential for optimal performance. Regularly check for any signs of leaks or wear and ensure the inlet and outlet ports are clean and free from debris. Additionally, winterizing your pump if you’re not using it during colder months can prevent damage from freezing, thereby extending its lifespan. -
Question:
What are the compatible applications for the SEAFLO 33 Series pump?
Answer: The SEAFLO 33 Series pump is versatile and can be used in various applications, including RVs, boats, campers, and even small-scale irrigation setups. Its capacity to deliver consistent water pressure makes it perfect for showers, sinks, and other fresh water needs, allowing for comprehensive use in mobile living environments. -
Question:
Where can I buy SEAFLO 33 Series 12V RV Water Pump in Saint Helena?
Answer: You can purchase the SEAFLO 33 Series 12V RV Water Pump at Ubuy in Saint Helena. Ubuy offers a reliable platform for shopping with a wide variety of products available, ensuring you can find the SEAFLO pump conveniently and easily. With Ubuy, you can enjoy an enhanced shopping experience for your RV and marine needs.
SEAFLO Water Pressure Pumps SFDP1-012-035-21 Editorial Review
SEAFLO 55 Series 12V RV Water Pump 5.5 GPM 60 PSI Diaphragm Pump Heavy Duty Pressure Switch Built In Bypass Self Priming Quiet High Flow RV Marine Off Grid Freshwater System is designed for both RV and marine applications. Users have noted its impressive performance with quiet operation and consistent high pressure, making it a top choice for those living on boats or using it for irrigation. One user praised its reliability and noted that it creates water pressure similar to city water, eliminating the common 'surging' experienced with older pumps. A 4-year warranty adds to the peace of mind, although concerns about warranty processing have been mentioned.
Customer Reviews & Ratings
1863 customers ratings
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5 Star
70%
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4 Star
14%
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3 Star
7%
-
2 Star
2%
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1 Star
7%
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Pros
- Quiet operation makes it ideal for sensitive environments
- consistent water pressure enhances user experience
- Self-priming feature simplifies setup and use
- Built-in bypass ensures smooth performance
- Heavy-duty design suitable for various applications
Cons
- Mounting base could be wider for easier installation
Platform Trust & Buyer Confidence
MA
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
CK
Chitra
Verified buyer
“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
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
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
SJ
SAO JOHN
Verified buyer
“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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Important information
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SHP 68
Order now and get it around Thursday, September 10
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Features & Benefits
- Self-priming capability up to 6 feet for flexible installation.
- Quiet operation with vibration-absorbing mounts for a comfortable experience.
- Durable design with built-in thermal protection against overheating.
- Suitable for varied applications: RVs, boats, and remote water systems.
- Compact size allows for easy integration into off-grid setups.
- Max flow rate of 1.2 GPM and max pressure of 35 PSI.
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