12V Diaphragm Water Pump 1.8–5.0 GPM Adjustable Pressure RV Marine

Get consistent water flow wherever you need it. This 12V diaphragm pump keeps your system running smoothly at home, on the road, or on the water.

No more weak pressure or unreliable supply. Enjoy steady flow for showers, sinks, and cleaning with adjustable pressure that fits your setup.

Reliable water flow tailored to your exact needs

✅ Maintain steady water pressure from 40–100 PSI for consistent daily use

✅ Choose flow rates from 1.8 to 5.0 GPM to match light or heavy demand

✅ Automatic pressure switch starts and stops with your faucet for hands-free use

✅ Enjoy quieter operation with a copper motor and anti-vibration base

✅ Install quickly using standard 1/2" MNPT ports for easy replacement

✅ Power your system anywhere with efficient 12V DC operation

This 12V diaphragm pump delivers dependable performance across a range of setups, from RVs and campers to boats and food trucks. With multiple flow options from 1.8 to 5.0 GPM and preset pressures up to 70 PSI, it adapts to both light and high-demand water systems.

The built-in pressure switch automatically activates when you open a tap and shuts off when you close it. You can fine-tune the pressure between 40 and 100 PSI using a simple screw adjustment, giving you full control over water usage and comfort.

Its copper motor and noise-reducing base keep operation smooth and quieter, even in compact living spaces. Standard 1/2" MNPT inlet and outlet connections make installation straightforward, so replacing an existing pump takes minimal effort.

Compared to basic pumps, this setup provides more control, steadier flow, and reduced noise, making everyday water use more predictable and comfortable across different environments.

Upgrade your water system with steady pressure and dependable flow every time.

Delivers steady flow where you need reliable water access.

Ideal for lighter water use with consistent pressure output.

Handles everyday water needs with stable, even flow.

Provides smoother pressure for more demanding setups.

Supports stronger flow for multiple outlets at once.

High flow performance for heavy-duty water applications.

Adjust pressure easily to match your exact usage needs.

Quiet operation keeps your environment calm and comfortable.

Standard fittings make installation fast and hassle-free.

Perfect for RV living, travel, and off-grid setups.

Choose the right model for your specific water demand.

Balanced flow option for most everyday applications.

Improved pressure stability for consistent performance.

Stronger flow supports more demanding water systems.

Maximum flow option for high-capacity water needs.