Seaflo Water 41 Series 12V marine water pressure pump — compact, reliable 4-chamber diaphragm unit for marine fresh and salt water systems.

• 4-chamber diaphragm pump with an on-demand, long-life, adjustable pressure switch.
• Self-priming and dry-run safe; thermal overload protection and marine-grade sealed wiring.
• Quiet operation with rubber feet to reduce vibration and noise.
• Available flows: 2.7, 3.3 or 4.5 GPM — supplies up to 3 fixtures (2.7 / 3.3 GPM models) or up to 4 fixtures (4.5 GPM model).
• Suitable for fresh and salt water; ideal where no accumulator tank is fitted; internal bypass reduces cycling.
• Temperature limit: 60°C (140°F). Shut-off (cut-out) and cut-in (start) pressures: 17 PSI shut-off / 9 PSI ±5 PSI cut-in (±0.3 bar); 35 PSI shut-off / 25 PSI ±5 PSI cut-in (±0.3 bar); 40 PSI shut-off / 30 PSI ±5 PSI cut-in (±0.3 bar).
• Valves: EPDM; Diaphragm: Santoprene; Inlet/Outlet Ports: 19 mm (3/4") quick-connect fittings; meets RoHS, SGS and ISO standards; 4-year warranty.