I have use lowrance products since 1987 and have found the company most
helpful. I do not know specifically about the 3500 but their other
products (X-50, X70, x85, 2330) have performed very well for me.

Rick

Rick Pech wrote:
I need to replace a Humminbird Hdr 600 in dash depth finder with a more
reliable unit. Any recommendation? What about a Lowrance 3500 with a flush
mount thru the hull transducer?