I have an Autohelm ST30 bi-data depth/speed instrument on my boat. I called an 800 number for a replacement speed wheel but they charged $22 for the part and $25 for shipping. Does anyone know a supplier for this part? Thanks.
I just replaced my Autohelm ST30 Bidata with a new Raymarine ST40. I have the old thru-hull paddle wheel assembly which I can send you if you would just pay shipping. Please Email me at timsally@netnet.net with more info. Tim S.
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