--- product_id: 745224870 title: "Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine" brand: "seaflo" price: "฿7667" currency: THB in_stock: true reviews_count: 5 category: "Seaflo" url: https://www.desertcart.co.th/products/745224870-seaflo-12v-dc-1-2-gpm-35-psi-21-series store_origin: TH region: Thailand --- # 12V DC power efficiency 1.2 GPM flow rate Built-in 35 PSI pressure switch Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine **Brand:** seaflo **Price:** ฿7667 **Availability:** ✅ In Stock ## Summary > 💧 Power your journey with precision and ease! ## Quick Answers - **What is this?** Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine by seaflo - **How much does it cost?** ฿7667 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/745224870-seaflo-12v-dc-1-2-gpm-35-psi-21-series) ## Best For - seaflo enthusiasts ## Why This Product - Trusted seaflo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Powerhouse:** Small footprint fits perfectly in RVs, boats, and caravans without sacrificing performance - • **Durable & Reliable:** Thermal overload protection ensures long-lasting, worry-free use - • **Whisper-Quiet Efficiency:** Low current draw and smooth operation keep your adventures peaceful - • **Effortless Water Flow Control:** Automatic start/stop with built-in pressure switch for seamless operation - • **Versatile Self-Priming Design:** Mount anywhere—even above the tank—with dry-run safe diaphragm technology ## Overview The Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump is a compact, professional-grade pump designed for marine, RV, and agricultural use. Featuring a self-priming diaphragm, built-in pressure switch for automatic operation, and thermal overload protection, it delivers reliable water flow at 1.2 gallons per minute with quiet, energy-efficient performance. Ideal for sinks, showers, and water transfer applications, it ensures hassle-free water pressure wherever you go. ## Description 12V Self-priming Water Pressure Pump 1.2 GPM (4.3 LPM) 35 PSI Product Details: This product is 100% brand new and comes in original color packaging. Powerful automatic pressure pump, 1.2 gallons per minute (4.3 LPM) capacity flow rate, 35 PSI pressure Extremely efficient, very low current draw and high capacity output Self priming Smooth and quiet operation Dries without damage Thermal overload and ignition protection Easy connection system Low power retraction. Soft Rubber Mount Professional grade pump Ideal for marine, caravan/RV and agricultural applications Built-in pressure switch, automatically turn on and off when you switch on/off the tap or nozzle. Beware of inferior aftermarket products. Specifications Voltage: 12V DC Flow Capacity: 1.2 Gallons Per Minute (4.2 L/min) Water Pressure: 35 PSI Hose Outlet: 10mm Diameter Fixed Horsetail Twin Core Wire Current Draw: 1.7 Amp (2.7 Amps Max) Dimensions: 170 mm L x 100 mm W x 67 mm H Approvals: CE Applications for Marine, RV, Agriculture, Recreational Applications Suitable for any size boat, caravan, trailer house, etc. Sinks, faucets, showers, toilets and other applications that require water transfer Review: Seaflo - Produto muito bom Review: Super compact, great performance ## Features - The 21 series pumps are compact and designed for a wide range of applications such as liquid transfer, spraying, circulation, filtration, and dispensing - The 21 series diaphragm pumps are self-priming and can be air operated without harm. It provides up to 1.2 gallons per minute - Built-in 35 PSI pressure switch for automatic stop/start - Self-priming allows it to be mounted on top of the tank. Can be dried - Built-in thermal protector of 1.2 gallons per minute (4.2 litres per minute) 3/8" hose barb port ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00DLKT4OO | | Amazon Bestseller | #287,097 in Automotive ( See Top 100 in Automotive ) #182 in Boat Plumbing | | Brand | SEAFLO | | Brand Name | SEAFLO | | Color | Black | | Customer Reviews | 4.4 out of 5 stars 1,519 Your Review | | EU Spare Part Availability Duration | 4 Years | | Flow Rate | 1.2 Gallons Per Minute | | Global Trade Identification Number | 00637776645502, 00640674580349, 00787721093749, 00810039498149, 06410038780111 | | Item Dimensions L x W x H | 16.5L x 9.7W x 6.4H cm | | Item Weight | 1.5 Pounds | | Manufacturer | SEAFLO | | Manufacturer Part Number | SFDP1-012-035-21 | | Material | Polypropylene (PP) | | Material Type | Polypropylene (PP) | | Maximum Lifting Height | 4 Feet | | Model Number | SFDP1-012-035-21 | | Power Source | Electric | | Product Dimensions | 16.5L x 9.7W x 6.4H cm | | Product Style | Diaphragm | | Style | Diaphragm | | UPC | 640674580349 787721093749 615200881986 637776645502 | | Voltage | 12 Volts (DC) | ## Product Details - **Brand:** SEAFLO - **Color:** Black - **Item Weight:** 1.5 Pounds - **Material:** Polypropylene (PP) - **Maximum Flow Rate:** 1.2 Gallons Per Minute - **Maximum Lifting Height:** 4 Feet - **Power Source:** Electric - **Product Dimensions:** 16.5L x 9.7W x 6.4H cm - **Style:** Diaphragm - **Voltage:** 12 Volts (DC) ## Images ![Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine - Image 1](https://m.media-amazon.com/images/I/614G+HCBm9L.jpg) ![Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine - Image 2](https://m.media-amazon.com/images/I/71UnV-NNfPL.jpg) ![Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine - Image 3](https://m.media-amazon.com/images/I/61MzEseI9CL.jpg) ![Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine - Image 4](https://m.media-amazon.com/images/I/61bCLlDAikL.jpg) ![Seaflo 12V DC 1.2 GPM 35 PSI 21 Series Diaphragm Water Pressure Pump for Caravan RV Boat Marine - Image 5](https://m.media-amazon.com/images/I/91VfzPIIYiL.jpg) ## Questions & Answers **Q: which side is the inlet ?** A: There is an arrow pointing from one end to the other. Inlet is the end the arrow starts from. Direction of flow is parallel to the arrow. **Q: can the cut off pressure be regulated/adjusted to about 15psi?** A: This pump is built with 35psi switch and can not adjusted to 15psi. Thank you! **Q: Im looking to make a water misting system off the side of my rv. Would this pump be good to run for several hours continuously?** A: Yes, it will run continuously for several hours. I've run it as a transfer pump when needed, and had it running for an entire day. Works great. **Q: Is it a wash down pump?** A: This pump can be used as a wash down pump. Thank you! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Seaflo *by H***E on October 18, 2024* Produto muito bom ### ⭐⭐⭐⭐⭐ Super compact, great performance *by A***D on April 20, 2026* ### ⭐⭐⭐⭐⭐ Works well *by M***L on April 10, 2026* ## Frequently Bought Together - SEAFLO 21-Series Water Pressure Diaphragm Pump - 12V DC, 1.2 GPM, 35 PSI with Adjustable Pressure Switch, Self-Priming, Quiet Operation for RV, Boat, and Off-Grid Applications - Water Pump Strainer, 3/8 Inch Hose Barb In-Line Strainer Twist-On Sprayer Filter for Water Pump 12V DC 80 PSI RV Camper Marine Boat Lawn - 3/8" ID x 10 Ft High Pressure Braided Clear PVC Vinyl Tubing Flexible Vinyl Tube, Heavy Duty Reinforced Vinyl Hose Tubing, BPA Free and Non Toxic --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/745224870-seaflo-12v-dc-1-2-gpm-35-psi-21-series](https://www.desertcart.co.th/products/745224870-seaflo-12v-dc-1-2-gpm-35-psi-21-series) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-05-29*