Where the Environment Makes Every Specification Harder

Boats are a tough environment for hoses. Salt water accelerates degradation. Engine heat from close quarters raises the temperature rating required. Access for inspection is often awkward, which means a failure that would be a minor inconvenience on land becomes a problem at sea. Getting the right hose installed and inspected on a proper schedule is worth the effort.

Wet exhaust hose is the most specific application in this category. It carries a mix of exhaust gas and cooling water from the engine to the transom, which means it sees heat, back pressure from the water, and exposure to raw sea water simultaneously. The construction needs to handle all three. Standard industrial hose won't do it. Marine wet exhaust hose is built with a specific wall construction and temperature rating for exactly this application. Learn more in our guide: Why High-Quality Exhaust Hoses Matter in Marine Environments.

Raw water cooling hose, bilge hose, and deck wash hose have different but still demanding specifications. All need to be UV-resistant, saltwater-tolerant, and built to last in a cramped installation. Where a hose runs below the waterline, it also needs to be rated for the application; a bilge hose failure below the waterline is a very different situation to one above it.

We stock marine hose in standard lengths and bore sizes. Check product pages for full technical specifications.

Orders over £200 to England and Wales qualify for free delivery, with same-day dispatch on most in-stock lines.