---
product_id: 27947015
title: "43-Series Water Pressure Diaphragm Pump - 12V DC, 3.0 GPM, 55 PSI with Adjustable Pressure Switch, Self-Priming, UL & CSA Certified, Quick Attach - For RV, Boat, and Off-Grid Applications"
brand: "seaflo"
price: "€ 155.76"
currency: EUR
in_stock: true
reviews_count: 11
category: "Seaflo"
url: https://www.desertcart.gr/products/27947015-43-series-water-pressure-diaphragm-pump-12v-dc-3-0
store_origin: GR
region: Greece
---

# 12V DC power 3.0 GPM flow rate 55 PSI adjustable pressure 43-Series Water Pressure Diaphragm Pump - 12V DC, 3.0 GPM, 55 PSI with Adjustable Pressure Switch, Self-Priming, UL & CSA Certified, Quick Attach - For RV, Boat, and Off-Grid Applications

**Brand:** seaflo
**Price:** € 155.76
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your off-grid water game with quiet power and effortless control!

## Quick Answers

- **What is this?** 43-Series Water Pressure Diaphragm Pump - 12V DC, 3.0 GPM, 55 PSI with Adjustable Pressure Switch, Self-Priming, UL & CSA Certified, Quick Attach - For RV, Boat, and Off-Grid Applications by seaflo
- **How much does it cost?** € 155.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/27947015-43-series-water-pressure-diaphragm-pump-12v-dc-3-0)

## 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

- • **Powerful & Precise:** Delivers a steady 3.0 GPM flow at 55 PSI for flawless water pressure on demand.
- • **Durable & Certified:** Santoprene diaphragm with UL & CSA certifications ensures long-lasting, eco-friendly operation.
- • **Effortless Installation:** 3/4” Quick Attach ports make setup a breeze—get running in minutes, no hassle.
- • **Smart & Self-Sufficient:** Built-in adjustable pressure switch and self-priming up to 6 feet for hands-free, reliable performance.
- • **Whisper-Quiet Operation:** Vibration-absorbing mounts ensure peaceful water flow—perfect for serene RV and boat life.

## Overview

The SEAFLO 43-Series Water Pressure Diaphragm Pump is a 12V DC, self-priming pump delivering 3.0 GPM at 55 PSI with an adjustable pressure switch. Designed for RVs, boats, and off-grid setups, it features quick attach ports, thermal protection, and a durable Santoprene diaphragm. UL & CSA certified, it offers quiet, efficient, and reliable water pressure for versatile applications.

## Description

desertcart.com : SEAFLO 43-Series Water Pressure Diaphragm Pump - 12V DC, 3.0 GPM, 55 PSI with Adjustable Pressure Switch, Self-Priming, UL & CSA Certified, Quick Attach - For RV, Boat, and Off-Grid Applications : Sports & Outdoors

Review: Good quality - Easy to install
Review: Love it! - Good pressure and quiet, makes the camping experience very enjoyable!

## Features

- SPECIFICATIONS – Model: SFDP1-030-055-43 | Voltage: 12V DC | Flow Rate: 3.0 GPM | Max Pressure: 55 PSI | Self-Priming | Diaphragm Material: Santoprene | Inlet/Outlet Ports: 3/4” Quick Attach | Max Temp: 140°F
- INCLUDED COMPONENTS: 1x 52S02 Filter, 2x 41F001 3/4” QA x 1/2” Barb Elbow Pump Fittings, Installation Instructions, Warranty Information, Pump
- HIGH PERFORMANCE: This 12V diaphragm pump offers a powerful 3.0 GPM of water flow and 55 PSI shut-off pressure, delivering reliable and consistent water pressure for all your on-demand applications in marine, RV, agriculture, and off-grid environments. This pump also includes an internal bypass variable flow to reduce cycling.
- QUIET AND EFFICIENT OPERATION – Engineered for minimal noise with vibration-absorbing mounts and a robust diaphragm design, providing consistent, quiet water flow for a comfortable experience in your RV, boat, or off-grid setup. Set up is easy with the pump’s 3/4” Quick Attach inlet and outlet.
- SELF-PRIMING AND THERMALLY PROTECTED – Self-priming up to 6 feet, allowing for flexible installation options above your water tank; built-in thermal protection safeguards the pump from overheating for extended durability.
- VERSATILE APPLICATIONS – Perfect for RVs, boats, and off-grid water systems, this compact and efficient pump meets diverse water needs, from providing water on remote sites to pressurizing cabin fixtures and marine systems.
- AUTOMATIC ON-DEMAND OPERATION: Equipped with a built-in pressure switch, the SEAFLO 42-Series pump automatically starts and stops based on water demand, providing hands-free operation and conserving energy and water.
- DURABLE & SAFE MATERIALS: Built with high-quality EPDM valves and a Santoprene diaphragm, this pump meets RoHS, SGS, and ISO standards, ensuring that it is environmentally safe and durable under various operating conditions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01CQ7GB0W |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #124,197 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #16 in Boat Water Pressure Pumps |
| Brand | SEAFLO |
| Customer Reviews | 4.3 4.3 out of 5 stars (27) |
| Date First Available | March 9, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 4.84 pounds |
| Item model number | SFDP1-030-055-43 |
| Manufacturer | SEAFLO |
| Material | Plastic |
| Maximum Flow Rate | 5.5 Gallons Per Minute |
| Maximum Lifting Height | 6 Feet |
| Package Dimensions | 10.55 x 6.06 x 5.59 inches |
| Part Number | SFDP1-030-055-43 |
| Power Source | DC |
| Style | Diaphragm |
| UPC | 715934427648 |
| Voltage | 12 Volts (DC) |

## Product Details

- **Brand:** SEAFLO
- **Manufacturer:** SEAFLO
- **Material:** Plastic
- **Maximum Flow Rate:** 5.5 Gallons Per Minute
- **Maximum Lifting Height:** 6 Feet
- **Power Source:** DC
- **Style:** Diaphragm
- **UPC:** 715934427648
- **Voltage:** 12 Volts (DC)

## Images

![43-Series Water Pressure Diaphragm Pump - 12V DC, 3.0 GPM, 55 PSI with Adjustable Pressure Switch, Self-Priming, UL & CSA Certified, Quick Attach - For RV, Boat, and Off-Grid Applications - Image 1](https://m.media-amazon.com/images/I/61wvypz7pYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by E***H on January 12, 2026*

Easy to install

### ⭐⭐⭐⭐⭐ Love it!
*by R***D on December 14, 2025*

Good pressure and quiet, makes the camping experience very enjoyable!

### ⭐⭐⭐⭐⭐ Sea flo pumps ROCK !!
*by A***R on October 22, 2025*

Most xclnt product…..this is the 3rd. Pump I have bought from Seaflo and all have performed at a 5 star level. Highly recommend.

## Frequently Bought Together

- SEAFLO 43-Series Water Pressure Diaphragm Pump - 12V DC, 3.0 GPM, 55 PSI with Adjustable Pressure Switch, Self-Priming, UL & CSA Certified, Quick Attach - For RV, Boat, and Off-Grid Applications
- SEAFLO Accumulator Tank Water Pump Flow Control with Internal Bladder - 125 PSI, 23.5 oz (0.75 L) | Reduces Pump Cycling and Smooths Water Flow for Marine, RV, and Off-Grid Systems
- SEAFLO 33 Series DC Diaphragm Pump – 4-Year Warranty! 12V, 3.0 GPM, 45 PSI, Self-Priming, Run Dry Safe, Built-In Pressure Switch | Ideal for Marine, RV, and Water Systems

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-02*