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Take control of the gas system on board
20 June 2025 · 6 min · 415 views · Holmen, Norway
What this video covers
Thomas Nilsson visits Holmen to have a marine gas system inspected by a technician named Petter, who finds the copper pipe running from the gas cylinder through the aft cabin to the stove heavily corroded — a deck leak had kept the area damp, accelerating oxidation until the pipe was at risk of developing a gas leak.0:53 The corroded copper is replaced entirely and wrapped in a plastic sleeve to protect it from moisture and salt.1:43 Petter identifies the most common gas-system faults on boats: hoses older than five years (the five-year limit runs from the production date stamped on the hose, not the installation date), and mismatched thread standards — Swedish fine-thread and German coarse-thread fittings are not interchangeable, and forcing them together leaves an unsealed joint.2:29 LPG is heavier than air, sinks into the bilge, and can displace oxygen or reach the explosive 7–9% concentration range before igniting.3:56 The gas cylinder and any reserve must be stored in a gas-tight locker with a drain hose of at least 90 mm diameter exiting through the hull side.6:09 Pressure-testing and a full inspection by a certified technician is recommended for anyone uncertain about their system's condition.5:17
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