Originally Posted by ReefMagnet
Looks like a transducer to me. If the wire goes nowhere it was probably just cut off when new instrumentation was installed. The ring looks like a locking collar.
Thanks for the reply, ReefMagnet. I suppose the idea that it's a transducer would suggest that it is unrelated to the bilge? Do you think? Any other thoughts you have on it, I'd really appreciate knowing. I know you may just be speculating, but still would like to hear it.