--- product_id: 708663667 title: "33-Series Water Pump and Accumulator Tank System - 12V DC, 3.0 GPM, 45 PSI, 0.2 Gallon Tank" brand: "seaflo" price: "$385.56" currency: USD in_stock: true reviews_count: 8 category: "Seaflo" url: https://www.desertcart.us/products/708663667-33-series-water-pump-and-accumulator-tank-system-12v-dc store_origin: US region: United States of America --- # 12V DC power efficiency 3.0 GPM high flow rate 45 PSI max pressure 33-Series Water Pump and Accumulator Tank System - 12V DC, 3.0 GPM, 45 PSI, 0.2 Gallon Tank **Brand:** seaflo **Price:** $385.56 **Availability:** ✅ In Stock ## Summary > 💦 Elevate your water game with seamless pressure and pure flow! ## Quick Answers - **What is this?** 33-Series Water Pump and Accumulator Tank System - 12V DC, 3.0 GPM, 45 PSI, 0.2 Gallon Tank by seaflo - **How much does it cost?** $385.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/708663667-33-series-water-pump-and-accumulator-tank-system-12v-dc) ## 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 - • **Durable & Safe:** FDA food-grade materials ensure safe drinking water - • **Plug & Play Power:** Ready-to-install 12V DC system for hassle-free setup - • **Smart Pump Longevity:** Accumulator tank reduces pump cycling, extending lifespan - • **Versatile Installation:** Self-priming and run-dry capable, fits vertical or horizontal setups - • **Smooth & Silent Operation:** Reduces noise and cycling for a peaceful water flow experience ## Overview The SEAFLO 33-Series Water Pump and Accumulator Tank System is a compact, 12V DC-powered solution delivering 3.0 GPM at 45 PSI. Designed with FDA-approved materials for safe drinking water, it features a self-priming, run-dry capable pump paired with a pre-pressurized accumulator tank to reduce cycling, noise, and battery strain. Ideal for campervans, boats, and mobile water systems, it offers easy installation and reliable, quiet performance. ## Description Description: A fully assembled pressure set that simplifies the installation of water pressure systems for professional and amateur installers. The set includes a 3-chamber diaphragm pump, a trainer and a pre-pressurized accumulator tank with high speed electrical connections. Need 3 or more 1/2" (13mm) sockets. Details: Composed of food grade, FDA safe material. Made for drinking water applications Cycling Pump Reducers Increases pump life Reduce linting Reduces battery tension. Reduce water system noise For better control of hot water. Can run dry. Self-Priming Can be installed vertically or horizontally. Specifications: Ports: 1/2" Barb Pump Model: SFDP1-030-045-33 Pump voltage: 12V DC Pump flow: 3.0 GPM. Shut-off Pump: 45 PSI Max Pump Amperage: 8.0A Battery Tank: 0.75L (0.2 Gallon) FDA Food Grade Material Review: Good water system - This is a brilliant piece of kit for a campervan conversion Review: Fantastic pump motorhome - What a great product had problems with my water now for 2 years noisy pump poor supply then I found this on here great piece of kit worked straight away and quiet I have tried loads of punmps but this is the best and it comes built up just connect neg and positive and water and that's it ## Features - 12V, 3.0GPM, 45PSI, 8.0A Max Draw Pump - Includes pump, accumulator tank, fittings and strainer - Run Dry Capable, Self-Priming, Reduces Cycling - Safe material for drinking applications - nan ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B081544YH8 | | Best Sellers Rank | 115,114 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 48 in Boat Water Pressure Pumps | | Brand | Seaflo | | Colour | Black | | Country of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (190) | | EU Spare Part Availability Duration | 4 Years | | Flow Rate | 3 Gallons Per Minute | | Global Trade Identification Number | 00810039490020 | | Included Components | Pump & Accumulator Kit | | Item Dimensions L x W x H | 37L x 26W x 14.6H centimetres | | Item Type Name | Pump & Accumulator Kit | | Item Weight | 2.7 kg | | Manufacturer | Seaflo | | Material | Plastic | | Maximum Lifting Height | 6 Feet | | Model Number | SFWSK1-030-045-002 | | Power source | Battery Powered | | Product Style | classic | | UPC | 793945656622 810039490020 | | Voltage | 11.99 Volts | ## Product Details - **Brand:** Seaflo - **Colour:** Black - **Item weight:** 2.7 kg - **Material:** Plastic - **Maximum flow rate:** 3 Gallons Per Minute - **Maximum lifting height:** 6 Feet - **Power source:** Battery Powered - **Product dimensions:** 37L x 26W x 14.6H centimetres - **Style:** classic - **Voltage:** 11.99 Volts ## Images ![33-Series Water Pump and Accumulator Tank System - 12V DC, 3.0 GPM, 45 PSI, 0.2 Gallon Tank - Image 1](https://m.media-amazon.com/images/I/71YJ6uyObFL.jpg) ## Questions & Answers **Q: Does this product come with the accumulator tank and all the fittings, filter as shown in the photos?** A: Yes it does, it did for me. **Q: What size tube and fittings do i need for this system?** A: 1/2 inch **Q: Can this handle 24vdc?** A: Typical rule of thumb is plus or minus 10% on any voltage, AC or DC and from 12 volts to 240 volts plus. So that being said the 12 volt DC pump should operate safely with a power (voltage) source of 10.5 to 13.5 volts DC, so you 24 volts DC would MOST CERTAINLY cause serious damage to the pump motor. Insco Electric makes it Buck and Boost transformer for less than $10.00 that would be a safe and inexpensive fix, or you could use a Diode, witch would be more difficult to incorporate one into a safe enclosure and power connection. Good Luck **Q: Is there a version of this that runs on regular 110?** A: Yes, you can get 110 volt pumps with accumulator to do the same thing on 110 power. Here is an example on Amazon: https://www.amazon.com/SEAFLO-Water-Pump-Accumulator-System/dp/B07QN8D18H/ref=sr_1_fkmr4_1?crid=261IX59XP5HYV&keywords=SeaFlo+Marine+Water+Pump+110+V+AC+45+PSI+3.0+GPM+23.5+oz+125+psi+Accumulator&qid=1685481599&s=sporting-goods&sprefix=seaflo+marine+water+pump+110+v+ac+45+psi+3.0+gpm+23.5+oz+125+psi+accumulator%2Csporting%2C76&sr=1-1-fkmr4 ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good water system *by A***R on 5 March 2026* This is a brilliant piece of kit for a campervan conversion ### ⭐⭐⭐⭐⭐ Fantastic pump motorhome *by K***E on 12 December 2025* What a great product had problems with my water now for 2 years noisy pump poor supply then I found this on here great piece of kit worked straight away and quiet I have tried loads of punmps but this is the best and it comes built up just connect neg and positive and water and that's it ### ⭐⭐⭐⭐ Good pressure *by B***B on 15 September 2025* Caused a water hammer issue on low pressure side 🥴 I fixed with an arrestor valve so all good ## Frequently Bought Together - SEAFLO 33-Series Water Pump and Accumulator Tank System - 12V DC, 3.0 GPM, 45 PSI, 0.2 Gallon Tank - Reduces Cycling For Marine, Boat, RV, Off-Grid Applications- 4-Year Warranty! CE & RoHS Certified - SHURFLO (255-313) 1/2" Twist-On Pipe Strainer - Camco Flexible Camper/RV Drain | Designed for Campers w/Single Sink and No Holding Tanks | Includes 25” of ¾-Inch ID Hose | Crafted of Heavy-Duty Chemical-Resilient Polymer (37420) --- ## 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.us/products/708663667-33-series-water-pump-and-accumulator-tank-system-12v-dc](https://www.desertcart.us/products/708663667-33-series-water-pump-and-accumulator-tank-system-12v-dc) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-17*