What Is an RV Water Pump?

The RV water pump is a crucial component in your recreational vehicle (RV) plumbing system.

A well-functioning RV water pump ensures you have running water even when you’re not connected to a city water supply. Regular maintenance and checks are essential for a smooth RV experience!

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It serves as the delivery service between your fresh water tank and the fixtures (faucets, toilet, and shower) inside your RV. Without a working water pump, your RV’s plumbing system would be non-functional. Pumps come in various configurations to suit different RV sizes and needs. Large RVs need more powerful pumps than smaller RVs.

How does an RV water pump work?

• An RV water pump is a motorized diaphragm pump that draws water from the freshwater tank and sends it to the fixtures.
• It operates at 12 volts, directly wired into the RV’s 12-volt system.
• When you open a fixture (like a faucet), the water pressure in the lines drops.
• The pump detects this low pressure and powers on to maintain consistent pressure.
• Once the desired pressure is reached, it shuts off until another fixture is opened.

Types of RV Water Pumps:

• Constant Speed Pumps:
  • These are the most common type.
  • They deliver water at a consistent speed regardless of application.
  • Inexpensive but tend to have a shorter lifespan due to prolonged running.

• Variable Speed Pumps:
  • Raise or lower motor RPM to maintain pressure based on demand.
  • More efficient, quieter, and longer-lasting.
  • Consumes less energy.

High Volume Pumps:

• Used in large applications (e.g., motor homes, bus homes).

Remember to choose a water pump that suits your specific needs and installation requirements. Happy RVing!