Experience reliable water pressure on board with the Jabsco Single Stack Water System — a fully assembled, plug-and-play solution designed for boats and RVs that demand four or more outlets. Delivering 4.8 GPM at 40 PSI from a compact 12V package, it provides steady flow from galley taps to showerheads.
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All-in-one water pressure package: The Single Stack combines a PAR-Max 4.0 pump, a strainer, and a pre-pressurized accumulator tank into a single, easy-to-install unit.
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High-flow performance: Delivers 4.8 GPM (18 LPM) with a steady 40 PSI shut-off across multiple outlets.
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12V DC operation: Designed for marine and RV use, powered from a 12V DC system.
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Self-priming: Self-primes up to 10 ft (3 m) for flexible installation in tight spaces.
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Run-dry capable: Built to run briefly without damage during troubleshooting.
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Protection and safety: Thermal overload protection plus ISO 8846 MARINE ignition protection.
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Low maintenance: Pre-pressurized accumulator maintains pressure with less pump cycling.
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Easy installation: 3/4" hose tail connections, compact footprint, and a ready-to-use package for four or more outlets.
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Compact dimensions: 12.2" L x 9.4" W x 9.8" H; Weight 12 lbs (5.4 kg).
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Fittings: 3/4" hose tail connections.
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Manufacturer and part: Jabsco; Part No 52520-1000.
This integrated system keeps onboard water running smoothly with minimal install time, delivering consistent pressure across multiple outlets whether you’re on deck or at anchor. The compact, all-in-one design helps reduce clutter and simplifies maintenance, making it a practical upgrade for boats and RVs that rely on reliable, multi-outlet water supply from a single, compact unit.
