Bought a few of these, will have to see how they work when I get them. Good for a Keezer or ferm chamber control. $26 shipped.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190490198738&ssPageName=STRK:MEWNX:IT
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=190490198738&ssPageName=STRK:MEWNX:IT