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The SEAFLO 55 Series Automatic Demand Diaphragm Pump is a heavy-duty, high-volume pressure pump engineered for continuous freshwater supply in RV, marine, and residential systems. Its advanced 5-chamber diaphragm delivers stronger flow, smoother pressure, and reduced cycling while maintaining low noise and vibration levels. Designed with a built-in internal bypass and a precise demand pressure switch, this pump ensures consistent flow to up to four fixtures simultaneously.
Self-priming up to 6 ft and fully run-dry capable, the 55 Series thrives in demanding environments where reliability matters. NSF-compliant materials ensure safe connections for potable water systems. With rugged heat dissipation, corrosion-resistant components, and a 4-Year Warranty, it’s built to perform in harsh marine or off-grid use where dependable pressure is essential.
Buy with confidence from an authorized SEAFLO dealer. We source our products directly through official channels, ensuring that every item we sell is 100% genuine and backed by the full manufacturer support.
When you purchase from us, you receive the complete 4-year SEAFLO warranty, giving you long-term protection and peace of mind. This is a key advantage over unauthorized or “grey market” sellers, who often offer only limited 30-day warranties and may not provide valid manufacturer support.
Protect your investment—choose a trusted, authorized dealer and enjoy the full benefits that come with it.