Circulation Pump 25L/min (12V) – Heavy-Duty Continuous-Duty Water Circulation

Built by Absolute Marine to meet the rigors of marine and off‑grid cooling challenges, this Circulation Pump delivers a steady 25 L/min continuous flow from a robust 12V power source. Designed for reliability in demanding environments, it stays in duty for long runtimes—perfect for cooling loops, water transfer, and continuous circulation tasks where interruptions aren’t an option.

Why this 12V circulation pump stands out

• Continuous-duty performance with an 8 A draw, engineered for non‑stop operation in boats, RVs, and industrial micro‑systems.
• Self-priming design enables quick startup from dry or low‑level conditions, reducing manual priming and downtime.
• Versatile mounting can be installed in any orientation to fit tight spaces and complex layouts common in vessels and compact cooling circuits.
• 3/4" threaded ports align with standard hose fittings for easy retrofit and upgrades in existing setups.
• Wide liquid compatibility works with fresh water, salt water, and ethylene glycol‑based coolants (glycol–water mixtures) used in cooling loops and marine systems.
• Up to 4 metres head provides reliable circulation between tanks, equipment bays, and modest vertical runs without losing flow.
• Durable, continuous-operation build designed to endure long runtimes in salt spray, vibration, and demanding environments.

Ideal uses and practical scenarios

• Water transfer between tanks, reservoirs, or equipment bays where a steady flow matters for efficiency and stability.
• Bilge pumping or general liquid handling on boats where dependable flow supports safety and reliability.
• Livewell or aquarium-style circulation to keep water fresh and minimize stagnation during extended passages or events.
• Ballast pumping setups for wakeboarding or boating configurations requiring controlled and predictable movement.
• Cooling system circulation in small loops using ethylene glycol or water-based coolants to improve heat transfer and system stability.

Specifications at a glance

• Voltage: 12V
• Current draw: 8 A
• Flow: 25 L/min (continuous rating)
• Delivery head: up to 4 metres
• Port size: 3/4 inch threaded
• Self-priming: Yes
• Liquids compatibility: Fresh water, salt water, ethylene glycol–based coolants, glycol‑water mixtures

Installation and operating tips

• Mount the pump where hoses can easily connect to the 3/4" ports and keep the intake clean to maximize self-priming efficiency.
• Ensure a stable 12V supply and plan for an 8 A peak current during operation to prevent voltage drop issues.
• Position the unit to minimize hose stress and protect it from debris and excessive vibration; it can be oriented to suit your space.
• Pre-fill the system with coolant or water to establish prime before full operation; avoid running the pump dry.
• Use proper hose clamps on 3/4" connections and validate that the maximum head matches your loop or vertical lift configuration.

Designed by Absolute Marine for reliable, long‑term circulation in watercraft and off‑grid installations, this pump is a practical, no‑nonsense solution when steady flow and continuous duty matter most.