Jabsco Single Stack Water System - 4.8 GPM - 40PSI - 12V

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 outlet versatility. With a powerful 4.8 GPM at 40 PSI, and a compact 12V system, it ensures smooth flows from galley taps to showerheads.

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. Just mount, connect 3/4" hose tails, and you’re ready to go. It's ideal for installations requiring multiple outlets without complex plumbing.

• High-flow performance: Delivers 4.8 GPM (18 LPM) for reliable use across multiple outlets.
• Consistent pressure: Shuts off at 40 PSI (2.8 bar) to keep a steady, comfortable flow.
• Self-priming up to 10 ft (3 m): Quick, hassle-free priming for marine and RV setups.
• Run-dry capable: Designed to run dry briefly without damage for added reliability during troubleshooting.
• Protection and safety: Thermal overload protection plus ISO 8846 MARINE ignition protection.
• Low maintenance: Compact, pre-pressurized accumulator maintains pressure with less pump cycling.
• Easy installation: 3/4" hose tails, compact footprint, and a ready-to-use package for four or more outlets.

Specifications

• Flow: 4.8 GPM (18 LPM)
• Shut-Off Pressure: 40 PSI (2.8 bar)
• Fittings: 3/4" hose tail connections
• Size: 12.2" L x 9.4" W x 9.8" H
• Weight: 12 lbs (5.4 kg)
• Manufacturer: Jabsco
• Part No: 52520-1000
• UPC: 671880615914

Why choose the Jabsco Single Stack Water System? It’s a rugged, marine-grade solution designed to keep your onboard water running smoothly with minimal install time. The integrated system reduces clutter and simplifies maintenance, giving you consistent pressure across multiple outlets wherever you are — on deck or at anchor.