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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 Depth Transducer?		  New Topic  Topic Locked
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Allmanjoy
1st Mate

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USA
44 Posts
Initially Posted - 04/29/2020 :  06:57:01  Show Profile
So this Raymarine device was floating around on the inside of the hull. It was attached to the floor with silicone. I couldn't find this exact type online, but it seems to me to be the depth transducer. I want to reattach it but wanted to get some thoughts on best techniques. I was reading that there can't be any open space between it and the hull for it to work properly. I was going to use 3M's 4500 instead of the silicone.
Jay C 1985 C25 SR/SK

HappyNow
1st Mate

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USA
99 Posts
Response Posted - 04/29/2020 :  09:36:33  Show Profile
I used a toilet wax ring as suggested by many previously on this site. Works well. I think you can search the forum and find the links to it.
Michael Levin
Sailin' on Sunshine
C250 #402 WK
Lake Tahoe
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Allmanjoy
1st Mate

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USA
44 Posts
Response Posted - 04/29/2020 :  10:44:07  Show Profile
I had read that thread and wasn't sure if we were speaking of the same thing. I just picked up a ring...thank you.
Jay C 1985 C25 SR/SK
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islander
Master Marine Consultant

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USA
4021 Posts
Response Posted - 04/29/2020 :  10:55:53  Show Profile
Wax rings give you endless do-overs
Scott-"IMPULSE"87'C25/SR/WK/Din.#5688
Sailing out of Glen Cove,L.I Sound


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bigelowp
Master Marine Consultant

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USA
1773 Posts
Response Posted - 04/29/2020 :  10:57:40  Show Profile
I have used silicon sealant as well. Both silicon and plumbers wax work.
Peter Bigelow
C-25 TR/FK #2092 Limerick
Rowayton, Ct
Port Captain: Rowayton/Norwalk/Darien CT
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Voyager
Master Marine Consultant

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USA
5362 Posts
Response Posted - 04/29/2020 :  18:24:52  Show Profile
Silicone caulk is a curse when used in the wrong application.
The reason I say this is that once you install it on something or inside of something you can never get rid of its leavings.
There’s always some silicone residue that’s nearly impossible to remove.
On the other hand, if you get a wax ring and shape it into a shape that will fit the transducer,
and minimize the amount of air you inadvertently mix into the wax, you can apply the transducer to the inside of your hull.
It oughta work fine.
And you never have to scrape off any old silicone in the future.
Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain — Milford, CT
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Allmanjoy
1st Mate

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USA
44 Posts
Response Posted - 04/29/2020 :  19:35:45  Show Profile
The wax ring was $1.86 and worked great. I spent 20 minutes getting the silicone off, or at least as much as I could. I’ll know if it will work on Monday when I put the boat in the water.
Jay C 1985 C25 SR/SK
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.