SEAFLO 56A 12V Variable Speed Water Pump 5GPM 70PSI DP105007056A

Genuine SEAFLO 56A Series five-chamber variable-speed fresh-water pressure pump. Its electronic control adjusts motor speed to water demand, helping deliver smoother pressure and reduced cycling across compatible 12 V systems.

Key Features

• Variable-speed demand control
• Five-chamber diaphragm design
• Open flow up to 5.0 GPM / 18.9 L/min
• Self-priming suction lift up to 1.8 m / 6 ft
• Quick-attach ports
• Designed to operate without a separate accumulator in a correctly designed system

Technical Specs

• Voltage: 12 V DC
• Open flow: 5.0 GPM / 18.9 L/min / 300 GPH
• Shut-off pressure: 70 PSI / 4.8 bar
• Maximum current draw: 10 A
• Maximum recommended liquid temperature: 60°C / 140°F
• Valves: EPDM
• Diaphragm: Santoprene
• Ports: SEAFLO quick attach
• Control: variable speed

Compatibility / Fitment Guide

For 12 V clean fresh-water pressure systems on boats, motorhomes, caravans and off-grid installations. Confirm that wiring, circuit protection, pipework, fittings, taps, heater and relief devices are suitable for 10 A operation and 70 PSI pressure. Install an inlet strainer and follow SEAFLO's mounting instructions.

Part Number Cross Reference

• Distributor/store SKU: DP105007056A
• SEAFLO model: SFDP1-050-070-56A
• Series: 56A variable-speed smart pump
• Do not confuse with the 24 V SFDP2 version or lower-flow 3.5 GPM variants.

Frequently Asked Questions

Does it need an accumulator tank?
Normally not; the variable-speed control is designed to maintain pressure without one, subject to the complete system design.

Can it run on 24 V?
No. This specific model is the 12 V version.

Can it pump fuel or sewage?
No. It is intended for compatible fresh-water pressure service.