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33-Series Professional Grade Water Pump - 12V DC Diaphragm Pump, 4.0GPM, 50PSI, Self-Priming, Thermal Overload, CE Certified, for RV, Marine, Garden Irrigation

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$49.99

$ 22 .99 $22.99

In Stock

1.Style:12v Dc 4.0gpm 50psi


About this item

  • High Performance: 12V DC diaphragm water pump delivers a smooth, consistent flow of 4.0GPM with a pressure setting of 50PSI, ideal for RV and marine applications.
  • Durable & Safe: ASDFGHT RV water pumps have a built-in thermal overload protector and are CE, ISO 8846 and Marine Ignition Protection certified for reliable and safe operation.
  • Self-Priming Capability: Turns on and off on demand, shuts off when the faucet is turned off and runs when the faucet is turned on. Starts vertically up to 6 ft (1.8 m) and horizontally up to 30 ft (9 m) to ensure efficient water supply.
  • Complete Kit: Includes 1 x DC diaphragm pump, 1 x 1/2 inch twist-on water strainer with a 50-mesh stainless steel screen, 3 x hose fittings, 2 x Hose Clamps, 1 x PTFE Tape and a user manual.
  • Versatile Application: The 12V DC self-priming diaphragm water pump is a versatile solution that can be installed in any location and is compatible with RV, marine and garden irrigation systems, providing years of quiet, efficient operation.


Upgrade your RV or marine water system with the Professional Grade Water Pressure Pump from ASDFGHT. Designed for reliability and efficiency, this 12V DC diaphragm pump delivers a smooth, consistent flow of 4.0GPM with a pressure setting of 50PSI, making it perfect for a wide range of applications.

Key Features:

High Performance: Provides steady water flow at all operational ranges while drawing low current for energy efficiency.

HIGH PERFORMANCE: Operates continuously for more than an hour and provides a steady flow of water over all operating ranges while drawing less current for improved energy efficiency.

Durable Construction: Features a balanced motor design with precision ball bearings, an integral thermal breaker, and an electro-coating finish to inhibit corrosion.

Self-Priming: Capable of vertical priming up to 6 ft (1.8m) and horizontal priming up to 30 ft (9m) for versatile installation options.

Safe Operation: CE, ISO 8846, and marine ignition protection certified, ensuring compliance with safety standards.

Complete Kit: Includes everything you need for installation: pump, water strainer, hose fittings, brass fittings, and a detailed user manual.

Installation Tips:

- Mount the pump in a dry, accessible location with adequate ventilation.

- Use flexible high-pressure tubing and a 50-mesh strainer to prevent debris from entering the pump.

- Ensure proper wiring and grounding to avoid low voltage issues and fire hazards.

Why Choose ASDFGHT Pump?

- Reliability: Strictly inspected and tested before leaving the factory for 100% quality assurance.

- Versatility: Suitable for RV and marine systems, providing years of quiet and efficient operation.

- Ease of Use: Designed for intermittent duty, ensuring long-lasting performance even under demanding conditions.

Package Includes:

- 1 x DC Diaphragm Water Pump

- 1 x 1/2 Inch Twist-On Water Strainer (50 Mesh Stainless Steel Screen)

- 3 x Hose Fittings

- 2 x Hose Clamps

- 1 x PTFE Tape

- 1 x User Manual

Note:Residual water in the pump is normal due to factory testing. For optimal performance, ensure all connections are secure and use seal tape to prevent leaks.

Elevate your water system with the Professional Grade Water Pressure Pump and enjoy reliable, efficient, and safe water delivery for your RV or marine needs!


Ashley Shaeffer
Reviewed in the United States on February 14, 2025
This is a great water pump for my bus. QUIET!!! Plus the pump came with 1/2 baths that were perfect. Very pleased
Butch Neussendorfer
Reviewed in the United States on February 14, 2025
Tried another pump first that I had issues with it. This pump is perfect and the auto shut off works exactly as it should. Low noise and feels like a very professional grade pump
Cynthia Bauman
Reviewed in the United States on April 21, 2025
Works great. We love this pump for our pig water. Gets alot of daily use and hold up well