Pressure Pump/Accumulator Tank Systems
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Pressure pump and accumulator tank systems are essential components for maintaining consistent water flow and pressure in RVs, marine vessels, and specialty vehicles. An accumulator tank stores water under pressure to maintain constant water pressure and flow rate throughout the entire system, working in conjunction with demand pumps to deliver a superior water supply experience.
How Pressure Accumulator Systems Work
The accumulator tank uses two chambers separated by a diaphragm or rubber membrane—one chamber is filled with water while the other is pressurized with air, and when you open a tap, the pressurized air pushes the water out, ensuring smooth and consistent flow. Adding a pressure accumulator tank creates power and water savings by reducing pump run time and improves overall usage by smoothing out water pressure when the pump cycles. This design prevents the annoying pulsation and stuttering that can occur when using water at low flow rates.
Key Benefits of Accumulator Tank Systems
Whether grappling with inconsistent water pressure, frequent pump cycling, or higher water demand, accumulator tanks offer a more stable and reliable water supply while contributing to energy efficiency and reduced wear and tear on the water system. By reducing the frequency of pump cycling, the accumulator tank minimizes noise and wear and tear on the pump. For RV and marine applications, this means you can run small amounts of water—such as hand washing or toilet flushes—without constantly triggering the pump, which is particularly valuable during quiet nighttime hours or when conserving battery power.
Applications and Installation Considerations
These systems are most beneficial when paired with constant-speed pressure pumps, though they can enhance variable-speed pump performance in certain installations. Accumulator tanks are typically installed on the discharge side of the pressure water pump, and proper sizing is essential to ensure adequate capacity to meet the demands of the water system. Common applications include RV fresh water systems, boat galley and head plumbing, outdoor wash stations, and mobile service vehicles. When selecting a system, consider factors such as pump flow rate, maximum operating pressure, available mounting space, and typical water usage patterns.
Top Brands for Pressure Pump Systems
Flojet / ITT stands as a leading manufacturer in the pressure pump and accumulator market, particularly recognized for their variable-speed pumps and reliable accumulator tanks designed for demanding marine and RV applications. Their systems are engineered to deliver consistent pressure with minimal noise and exceptional durability in mobile environments.
Whether upgrading an existing water system or installing a new pressurized water setup, pressure pump and accumulator tank systems provide the foundation for comfortable, reliable water delivery in any mobile or remote application.