December 2013 Issue
Construction Quality Draws Testers’ Attention
Our testers began the evaluation with a close inspection of how each unit was assembled and what materials were used in their manufacture. The test field included stainless-steel, aluminum, and mild-steel boilers. When it comes to water tanks in sailboats, stainless-steel is favored over the other two metals, so we naturally asked ourselves why the water tanks in water heaters would be any different? To answer the question, we embarked on a series of bench tests and a long-term corrosion test to see how stainless steel, aluminum, and mild steel water heater tanks handle use in a salt-laden bilge-like environment.
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