Crawl space exhaust fan humidistat / dehumidistat ?

Fro what I a seen searching around on the web a crawl space ventilation fan can be veriy efftive at reductin moisture in a crawl space iif it is properly controlled ie turned off when outside moisture gets too high. Could someone please point me to the right low cost equipment ( surplus etc ) and give me an approximate R&H st points for on and off . - thanks
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I used an Aprilaire humidistat, wired it to close on humidity rise above 35%. It controls my A/C, another one controls a bathroom vent fan.

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Here you go .. hope that helps http://fieldcontrols.com/Eliminator.html
Mike
On 8 Oct 2004 15:00:46 -0700, snipped-for-privacy@my-deja.com (rkpatt) wrote:

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