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Posted by member Simon Kidd on Wednesday 18 March 2015

Hi Mike. Usually you'd bond the transducer into the hull with an Epoxy product - but worth checking the transducer is designed for "Through Hull" fitting first - some are not and should be mounted on the outside using a bracket (now and again people skimp of that type of work).. Also - look up online for the user / install manual for your echo sounder - it should give you specific details on installing. In general cases, as a guide, to bond it in, it's important to ensure that air isn't trapped under the transducer - i.e. no air bubbles in the epoxy - as this will ruin any depth readings. I usually abrade the inside of the hull where the transducer will sit - make sure it's de-greased etc. Then I use some sealant (or similar gungey stuff) to make a ring or "pool" - then fill the ring with correctly mixed epoxy - then once the air bubbles have lifted out of the epoxy - bung the transducer in tight into the hull and hold it in place till the epoxy sets - hey presto - no air bubbles and nice and firm! Cheers Simon.

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