Circulation Pumps
Circulation Pumps for Marine and Battery Thermal Management System Applications
Compact. Powerful. Built for the Demands of the Sea.
Whether you're outfitting a luxury yacht, managing marina systems, or engineering next-gen vessels, marine circulation pumps are vital for efficient cooling and fluid movement onboard. Designed to handle everything from cooling engines to circulating anti-freeze and hot water, these pumps play a critical role in keeping vessels operational and comfortable.
At Johnson Pump Marine, we’ve engineered our circulation pumps to stand out in performance, longevity, and reliability. Our line of water circulation pumps is purpose-built for marine environments—tough, compact, and ready for the challenges of real-world conditions. Whether you're a naval architect designing from scratch or a dockmaster maintaining critical systems, we offer proven solutions that work as hard as you do.
Johnson Pump Marine’s brushless motor circulation pumps aren’t just for boats—they’re widely used in Battery Thermal Management Systems (BTMS) for commercial electric vehicles like buses, trains, trucks, mining equipment, and forklifts. These pumps deliver reliable coolant circulation to maintain battery temperatures within an optimal 20–40°C range, ensuring safety, performance, and longer battery life.
By driving water-glycol mixtures through heating and cooling loops, our pumps protect critical battery systems during rapid charging, heavy workloads, and extreme temperatures. When uptime and efficiency matter most, industries trust Johnson Pump Marine for powerful, long-lasting circulation solutions.
Backed by decades of innovation and trusted by professionals across the marine and BTMS industries, our circulation pumps are the go-to choice for dependable water and coolant movement at sea. And with full availability of OEM spare parts, maintaining your system is as easy as installation.
A Range of Recirculating Pumps to Meet Your Marine Needs
Johnson Pump Marine offers a comprehensive portfolio of recirculating water pumps, tailored for all types of recreational and commercial marine vessels:
CM Magnetically-Driven Circulation Pumps – Brush Motor
Compact and corrosion-resistant, these recirculation pumps are ideal for continuous-duty applications like hot water circulating or anti-freeze flow. Their magnetic drive design reduces wear and increases operational lifespan.
CM Magnetically-Driven Circulation Pumps – Brushless Motor
A brushless alternative for ultra-low maintenance, these pumps offer longer life, higher efficiency, and quiet operation. Ideal for precision marine environments where noise and maintenance need to be minimized.
These circulation pumps are also designed for continuous, efficient coolant circulation, these pumps help maintain battery temperatures within the critical 20–40°C range for vehicles like buses, trains, trucks, mining equipment, and forklifts.
C0 Mechanical Seal Circulation Pumps – Brush Motor
Built with a mechanical seal, these hot water recirc pumps provide strong performance and rugged reliability in tough marine environments.
Accessories & Spare Parts
Ensure long-term performance with OEM-grade spare parts and accessories. Everything you need to keep your system running smoothly—available and easy to order.
Why Choose Johnson Pump Marine for Circulation Pumps?
Our circulation pumps aren’t just engineered—they’re trusted by marine professionals and battery thermal management systems worldwide. Here’s why:
- Compact and powerful designs that save space without sacrificing performance
- Long service life, even in demanding marine conditions
- Specialized for circulation duties like anti-freeze and hot water recirculation
- Cool overheated battery cells (via a radiator or chiller)
- Heat cold batteries (via a heater or heat exchanger)
- Balance temperature across all battery modules
- OEM parts readily available for peace of mind and easy maintenance
- Expert engineering support to help integrate with new or existing systems
Ready to spec a circulation pump solution?
Explore our full product lineup or contact your local distributor for tailored recommendations from a pump expert.