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post #1 of Old 06-14-2011 Thread Starter
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PSC 37 Water Tank Access Ports: An Update

As many of you know, I installed a couple of 6" access ports (brand = "SeaDog") in the tops of our two water tanks. Not long after filling first the stern and then the bow tanks I heard the distinct sound of water running and dripping. A quick look confirmed that water was coming out the through both of the access ports on the stern tank, despite the lids being well and truly screwed down. I tried a hammer and block of wood to screw them in further but the leaks continued unabated.

On the PSC 37 the bow tank is quite a bit higher than the stern tank and what seems to have happened is that the pressure *outward* on ports that were designed for water pressing inward (as in a boarding wave over the bow of a kayak) was too much for the pathetic little gasket and flange.


So, be forewarned if you are contemplating cutting access ports. Get ports that will keep water IN! In the meantime we simply turned off the bow tank and applied a generous "gasket" of silicone all around. So now the "removable lids" are not removable and I'll instead have to take out the whole port when it is next time to clean the tanks.

I guess it's called learning the hard way...... my specialty!


PSC Kenlanu, # 171 sitting through another NorEaster in Maine
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