
DuraCooler® Keel Coolers are custom-engineered marine heat exchangers designed to provide efficient, dependable cooling for main engines, auxiliary engines, and other onboard heat sources. With a streamlined header design, one-piece 90/10 copper-nickel construction, and flexible through-hull or flange-mount configurations, DuraCooler delivers superior heat transfer, durability, and installation versatility for demanding vessel applications.
Short Feature Bullets
- Custom-engineered for vessel-specific cooling needs
- Streamlined header design for improved heat transfer
- One-piece 90/10 copper-nickel construction
- Available in through-hull and flange-mount designs
- Single-pass and double-pass plumbing options
- Built for demanding commercial marine service
Authorized Distributor
Palmer Johnson is an authorized distributor and service provider for Duramax Marine products.
Service and Support
Seven master rebuild centers, eleven full-service centers, and an extensive dealer network to serve you.