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post #1 of Old 08-06-2007 Thread Starter
cjmcfall
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Water tanks and a hot day, be aware!!!

I want to share something with you guys that is pretty obvious now, but I had never thought about before.

Last week, like much of the country, it was very hot in Michigan. When I arrived to the boat on Thursday evening the thermometer in the car was reading 101 degrees and the one in the boat was at 104.5 degrees.

I was doing some general clean up getting the boat ready for the weekend. I needed to fill the water tanks………..this is where the problem occurred.

Question: What happens when you fill your water tanks, with cold water, to full capacity on a very hot day???

Answer: Once full and capped, the water warms up and expands…………This could have been very bad!!! luckily I noticed it in time, before the tanks split and drained the water into the bilge. The tanks ballooned up and in the process raised the floor boards.

Solution: If you need to fill the tanks on a hot day, make sure you leave enough room for the water to expand.

All is good and no permanent damage.
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