Missing thru hull escutcheon

Any topic related to our Camano boats

Re: Missing thru hull escutcheon

Postby jhance » Sat May 01, 2021 9:48 am

You know the plastic thru hulls should be illegal or at least against ABYC standards - I'll bet they are. The metal thru hulls on Fisheries are actually $10 cheaper than plastic ones at WM. I've looked at the rest and they seem secure/solid but needing replacement for sure so hoping to just have to replace the one that broke for now and wait to do the rest after the season.

Propane locker drain thru hull - 3/4" ID hose - https://www.fisheriessupply.com/marine- ... hmb0-750-s
Engine room bilge pump hose thru hull - 3/4" ID hose w/ 90 degree - https://www.fisheriessupply.com/groco-c ... hthc-750-s

Thru hull install tool - https://www.fisheriessupply.com/groco-t ... ol/tht-530
Jamey Hance
"Audrey Grace" #188
Orcas Island, WA
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Re: Missing thru hull escutcheon

Postby rwidman » Mon Aug 09, 2021 8:25 am

I bought some that were black nylon with a stainless steel cap on the outside.

I replaced all but two of mine a few years ago. The one for the sink galley drain has a bigger than expected hole in the hull and the one I bought would have been loose in the hole. I need to cut a donut shaped insert but never got around to it.

One of the ones on the starboard side seemed impossible to get to so I didn't replace it. Someday, I might. If the boat is out of the water, you can insert your replacement thru hull from the outside, tape it in place and then go inside to put the nut on and tighten it up. You may find two "nubs" on the inside and you can improvise or make a tool to use these nubs to hold the thru hull while you tighten the nut.
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Re: Missing thru hull escutcheon

Postby rwidman » Mon Aug 09, 2021 8:30 am

BTW: If the outside of your thru hull fitting is missing, there is nothing holding it in place except whatever was used to seal it in the original installation. That would be OK for a vent, but with a bilge pump or air conditioning discharge, the force of the water could break that bond and the discharge would be inside of your boat!

I suggest fixing this ASAP and if it's the AC discharge, turn off the AC.

As a temporary measure, at least for the ones on the port side near the stern, you can switch the hoses so the broken one is the LP locker drain or the AC condensate drain.
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