---
product_id: 111198576
title: "12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump"
brand: "seaflo"
price: "R1140"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Seaflo"
url: https://www.desertcart.co.za/products/111198576-12v-1-2-gpm-35-psi-water-pressure-diaphragm-pump
store_origin: ZA
region: South Africa
---

# 12V power for versatile use 1.2 GPM flow rate for steady water supply 35 PSI pressure switch for automatic control 12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump

**Brand:** seaflo
**Price:** R1140
**Availability:** ✅ In Stock

## Summary

> 💧 Power your flow, effortlessly and reliably!

## Quick Answers

- **What is this?** 12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump by seaflo
- **How much does it cost?** R1140 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/111198576-12v-1-2-gpm-35-psi-water-pressure-diaphragm-pump)

## 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

- • **Dual Tap Ready:** Supports water supply to two outlets simultaneously for multitasking convenience.
- • **Plug & Play Leads:** Includes 18 AWG, 13" leads with 2-pin connector for quick, professional installation.
- • **Durability Assured:** Ignition protected and meets RoHS, SGS, ISO standards for reliable, long-lasting performance.
- • **Smart Auto-Pressure:** Built-in pressure switch starts/stops pump automatically, saving energy and hassle.
- • **Compact & Lightweight:** Weighs just 1.3 lbs with a space-saving design perfect for RVs, boats, and DIY projects.

## Overview

The Seaflo 12V 1.2 GPM 35 PSI Diaphragm Pump is a compact, self-priming water pump designed for versatile applications including marine, RV, and agricultural use. Featuring a built-in pressure switch for automatic operation, dual 3/8" outlets, and durable construction meeting international standards, it delivers steady water flow with easy installation and reliable performance backed by a 2-year warranty.

## Description

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. Miniature multi outlet water pressure pump serves 1 or 2 3/8” (10 mm) outlets at any one time. This compact automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when faucet is opened and closed.TYPICAL APPLICATIONSMarine, RV, Agricutural Spraying, General Industial, Filtration, Beverage Processing, Solar Water System.INFORMATIONType:2 Chamber positive displacement diaphragm pump, self priming, capable of being run dryControl Type:Pressure switchMax Recommended Temperature:60° C (140° F)Priming Capabilities:4 feet (1.2 m) suction liftRe-start Pressure Shut-off Pressure 35 PSI: 25 PSI ±5 PSI (±0.3 bar)Inlet/Outlet Ports:3/8" (10 mm) hose barbWeight:1.3 lbs (0.6 kg)MOTORLeads:18 AWG, 14" (35 cm) long with 2-Pin connector / LeadsDuty Cycle:IntermittentMax.Amp Draw:4.0 AFuse:6.0 ASTANDARD PUMP CONFIGURATIONSVoltage:12VOpen Flow（GPM/LPM）:1.2 / 4.3Max Draw:4.0AShut-off Pressure（PSI/BAR):35 / 2.4Valves:EPDMDiaphragm:Santoprene

Review: Great - Great water pump, I use it for a home-made irrigation system I built during the summer. Gets the job done! Easy enough to adjust the pressure.
Review: Ideal for our camper van shower and water supply - Reliable, efficient, and performs beyond expectations.

## Features

- Able to supply water to two taps. 2 years warranty.
- 18AWG,13" long Leads. 10mm (3/8") Hose barb connections.
- Ignition protected.
- Meets or exceeds RoHS, SGS, and ISO standards.
- Industry standard mounting pattern. Intermittent duty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01CIZMC32 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 13,188 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 3 in Boat Water Pressure Pumps |
| Colour | Black, Orange |
| Customer Reviews | 4.2 4.2 out of 5 stars (552) |
| Date First Available | 7 May 2016 |
| Flow rate | 1.2 Gallons Per Minute |
| Item Package Quantity | 1 |
| Item Weight | 599 g |
| Item model number | SFDP1-012-035-21 |
| Manufacturer | Seaflo |
| Material | Polypropylene (PP) |
| Part Number | SFDP1-012-035-21 |
| Power Source | ['Electricity'] |
| Product Dimensions | 16.89 x 9.8 x 6.2 cm; 598.74 g |
| Style | Diaphragm Pump |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Seaflo
- **Colour:** Black, Orange
- **Item weight:** 599 g
- **Material:** Polypropylene (PP)
- **Maximum flow rate:** 1.2 Gallons Per Minute
- **Maximum lifting height:** 4 Feet
- **Power source:** ['Electricity']
- **Product dimensions:** 16.9L x 9.8W x 6.2H centimetres
- **Style:** Diaphragm Pump
- **Voltage:** 12 Volts

## Images

![12V 1.2 GPM 35 PSI Water Pressure Diaphragm Pump - Image 1](https://m.media-amazon.com/images/I/6149ywb8yYL.jpg)

## Questions & Answers

**Q: In addition to the pressure demand switch, is there an on/off switch?**
A: No, there is no built-in on/off switch, however, you can install a switch on the positive lead from the 12v source.

**Q: How would you rate the quietness of this pump?**
A: I would rate the pump as very quiet while operating

**Q: Does the pump have a check valve so i can t it in line with a city water hookup in my rv?**
A: No.

**Q: What are the wires for coming out of the pump?**
A: Pump is 12 volt. Red hot black ground. Has instructions to wire. Pump gas pressure switch that shuts on and off as when faucet is turned. I suggest adding switch in hot side so you can completely shut down .

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by O***T on 22 September 2025*

Great water pump, I use it for a home-made irrigation system I built during the summer. Gets the job done! Easy enough to adjust the pressure.

### ⭐⭐⭐⭐⭐ Ideal for our camper van shower and water supply
*by B***R on 24 April 2025*

Reliable, efficient, and performs beyond expectations.

### ⭐⭐⭐⭐ Tidy little pump
*by D***T on 5 July 2025*

Good little pump, only used to test at the moment not put into production.

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**Shop now:** [https://www.desertcart.co.za/products/111198576-12v-1-2-gpm-35-psi-water-pressure-diaphragm-pump](https://www.desertcart.co.za/products/111198576-12v-1-2-gpm-35-psi-water-pressure-diaphragm-pump)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-26*