---
product_id: 419820325
title: "12V Dc 1.2 Gpm 35 Psi 21-Series Diaphragm Water Pressure Pump for Caravan/Rv/Boat/Marine"
brand: "seaflo"
price: "4416684₫"
currency: VND
in_stock: true
reviews_count: 5
category: "Seaflo"
url: https://www.desertcart.vn/products/419820325-12v-dc-1-2-gpm-35-psi-21-series-diaphragm
store_origin: VN
region: Vietnam
---

# 12V DC power for versatile mobile use 1.2 GPM flow rate for efficient water delivery Self-priming & dry-run safe for hassle-free operation 12V Dc 1.2 Gpm 35 Psi 21-Series Diaphragm Water Pressure Pump for Caravan/Rv/Boat/Marine

**Brand:** seaflo
**Price:** 4416684₫
**Availability:** ✅ In Stock

## Summary

> 💦 Power your adventures with seamless water flow!

## Quick Answers

- **What is this?** 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?** 4416684₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/419820325-12v-dc-1-2-gpm-35-psi-21-series-diaphragm)

## 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 & Versatile:** Lightweight and compact (16.5 x 9.7 x 6.4 cm), perfect for tight spaces in RVs, boats, and marine setups.
- • **Effortless Water Flow:** Delivers a steady 1.2 gallons per minute to keep your caravan or boat running smoothly.
- • **Plug & Play Installation:** Easy-connect 3/8-inch hose barb ports and low current draw (max 2.7A) make setup quick and efficient.
- • **Durable & Silent Operation:** Polypropylene diaphragm design ensures whisper-quiet performance with thermal overload protection for reliability.
- • **Smart Auto Pressure Control:** Built-in 35 PSI pressure switch automatically starts and stops the pump, saving energy and extending pump life.

## Overview

The Seaflo 21-Series 12V DC diaphragm water pressure pump offers a reliable 1.2 GPM flow at 35 PSI, ideal for caravans, RVs, boats, and marine use. Featuring self-priming capability and dry-run protection, it ensures durable, quiet operation with automatic pressure control. Compact and energy-efficient, this professional-grade pump is designed for easy installation and long-lasting performance in mobile water systems.

## Description

NEW 12V Self-Priming Water Pressure Pump 1.2 Gallons/Min (4.3 LPM) 35 PSI Product Details: This product is 100% brand new and comes in original color packing Powerful automatic pressure pump 1.2 Gallons Per Minute (4.3 LPM) capacity flow, and 35 PSI pressure Extremely efficient, very low current draw and offer high capacity output Self priming Smooth, silent operation Can run dry without damage Thermal overload and ignition protection Easy connecting system Low power draw Soft rubber mounts Professional grade pump - Ideal for marine, caravans/RV, and agriculture applications Built-in pressure switch, to automatically turn on and off as you turn your tap or nozzle on and off Beware of inferior non-genuine products on the market that claim to be just as good 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 Applications For marine, RV, agriculture and recreational applications Suits all size boats, caravans, mobile homes, etc. For sinks, taps, showers, or toilets Other applications where you have to transfer water

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 including liquid transfer, spraying, circulation, filtration and dispensing
- The 21-series of diaphragm pumps are self-priming and can be run dry 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 above tank; able to run dry
- 1.2 gallons per minute (4.2 liters per minute) Built-in thermal protector; 3/8-inch hose barb ports

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00DLKT4OO |
| Best Sellers Rank | #38,446 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #270 in High Pressure Pumps |
| Brand | Seaflo |
| Brand Name | Seaflo |
| Colour | Black |
| Customer Reviews | 4.4 out of 5 stars 1,520 Reviews |
| 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 Centimeters |
| Item Weight | 680 g |
| 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 Centimeters |
| Product Style | Diaphragm |
| Style | Diaphragm |
| UPC | 640674580349 787721093749 615200881986 637776645502 |
| Voltage | 12 Volts (DC) |

## Product Details

- **Brand:** Seaflo
- **Colour:** Black
- **Item Weight:** 680 g
- **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 Centimeters
- **Style:** Diaphragm
- **Voltage:** 12 Volts (DC)

## Images

![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)
![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)
![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)
![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)
![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 18 October 2024*

Produto muito bom

### ⭐⭐⭐⭐⭐ Super compact, great performance
*by A***D on 20 April 2026*



### ⭐⭐⭐⭐⭐ Works well
*by M***L on 10 April 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
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**Shop now:** [https://www.desertcart.vn/products/419820325-12v-dc-1-2-gpm-35-psi-21-series-diaphragm](https://www.desertcart.vn/products/419820325-12v-dc-1-2-gpm-35-psi-21-series-diaphragm)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-03*