12V Diaphragm Pump 1.8-5.0 GPM Adjustable Pressure 1/2 MNPT

You get reliable water flow with adjustable pressure for everyday 12V systems.

Adjustable 12V Water Pump for Mobile and Utility Use

This 12V diaphragm pump is built for water systems that need steady pressure in a compact setup. With an adjustable pressure range from 40 to 100 PSI and flow options from 1.8 to 5.0 GPM, it lets you match output to your application.

Its on-demand pressure switch starts and stops water flow automatically, so your system works when needed without constant manual control. The pure copper motor and overload and overheating protection help maintain dependable performance.

For quieter operation, the pump uses a noise-reducing base and cushion design. Standard 1/2 inch MNPT inlet and outlet ports make connection easier for compatible setups. This pump is not waterproof and is not suitable for outdoor use.

✅ You get adjustable water pressure to suit washing, showering, and kitchen use.

✅ You can fit the flow rate to your system, from 1.8 to 5.0 GPM.

✅ You enjoy quieter operation thanks to the noise-reducing base and cushion design.

✅ You gain reliable automatic water delivery with the on-demand pressure switch.

✅ You connect more easily using standard 1/2 inch MNPT inlet and outlet ports.

✅ You get added protection from overheating and overload during operation.

Compact size fits tighter installation spaces.

Adjustable settings let you tune system pressure.

Standard ports simplify compatible plumbing connections.

Quiet mounting design helps reduce operating noise.

Pure copper motor supports dependable pumping performance.

Automatic switch responds to water demand.

Pressure options suit different onboard water systems.

Useful for washing, showering, and toilet supply.

Works with RV, boat, camper, and food truck setups.

Suitable for irrigation and utility water transfer.

Designed for 12V DC power systems.

Pressure range can be adjusted from 40 to 100 PSI.

Multiple flow options cover lighter or higher demand.

Indoor installation is required because it is not waterproof.

Choose the flow and pressure that fit your 12V water system.