Having had the same problem myself. I went the slightly more expensive
way and brought another Thousand Oaks dew controller and dew strap.
I went this way because I have the same system on my dob and it
works beautifully. It has four independant channels so it can be
expanded and used on my 20x80's which I also find needs a bit of dew
control.
That Kendricks unit above looks alright too, probably works out about the
same price as the system I'm using above.
Cheers,CS
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