Pumpoasis 12V Sprayer Pump 3.5 GPM, 60 PSI — Chemical-Resistant Diaphragm, Self-Priming

Pumpoasis 12V Sprayer Pump is a self-priming, chemical-resistant diaphragm pump delivering up to 3.5 GPM and 60 PSI for agricultural spraying, RV water systems, boats, and soft-wash applications.

This compact 12V pump combines a corrosion-resistant diaphragm, copper motor, and an integrated pressure switch to provide automatic on/off operation and reliable flow control. Designed to accept common herbicides and household cleaning chemicals, it offers adjustable pressure, thermal protection, and a 10-foot self-priming capability. The pump ships with 1/2" and 3/4" hose adapters and an inlet filter to help protect internal components from debris.

How much flow and pressure can I expect from this pump?

The Pumpoasis 12V sprayer delivers a maximum flow of 3.5 gallons per minute and can be adjusted up to 60 PSI to suit different spraying needs. Its built-in pressure switch enables automatic shutoff when the set pressure is reached, reducing motor run-time and wear.

• Maximum flow: 3.5 GPM for steady output
• Adjustable pressure range: 0–60 PSI
• Auto shutoff via internal pressure switch for cycle control
• 10A current draw compatible with most 12V vehicle systems

Is this pump safe to use with chemicals like Roundup?

The diaphragm and wetted components are built from chemical- and corrosion-resistant materials suitable for many herbicides and cleaning solutions, including Roundup formulations. Still, always check the chemical manufacturer’s compatibility list and flush the pump with clean water after use to maximize service life.

• Chemical-resistant diaphragm for a wide range of liquids
• Integrated inlet filter reduces particulate damage
• Leak-proof construction minimizes exposure of the motor to fluids
• Recommended: flush after each chemical application

Can it run dry or protect itself from overheating?

The Pumpoasis unit includes thermal protection that halts operation if the motor overheats, then automatically restarts after cooling. While it is more tolerant than basic pumps, avoiding extended dry running and ensuring proper priming will preserve seals and the diaphragm.

• Automatic overheat cutout with auto-restart
• Self-priming up to 10 feet to help start flow quickly
• Built-in leak-proof design reduces risk during intermittent use
• Use balanced inlet/outlet flow to prevent rapid cycling

What installation and connections does this pump require?

This sprayer pump mounts easily with a rubber-damped base to cut vibration and noise; it includes 1/2" and 3/4" hose adapters for common garden and sprayer hoses. The unit runs off 12V DC and draws about 10 amps, so pair it with a suitable fuse and wiring sized for continuous 10A load.

• Includes 1/2" and 3/4" hose adapters for versatility
• Rubber base for quiet, stable mounting on RVs, boats, or trailers
• 12V DC power; recommend proper fuse and 10A-rated wiring
• Compact footprint fits on spray rigs, small tanks, and utility mounts

Who is this for? The Pumpoasis 12V sprayer pump is aimed at homeowners, small-scale farmers, landscapers, RV and boat owners, and soft-wash contractors who need a durable, portable pump for chemical-tolerant spraying, irrigation, or freshwater transfer. It suits anyone seeking a self-priming, auto-shutoff pump with corrosion-resistant internals and a compact, low-noise design for regular outdoor and mobile use.