03-21-2008, 12:17 AM
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Deity
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Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 3,546
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on the hot air plenum - that galvanized sheet metal enclosure look for a rectangular box with a white knob coming out of it. if you remove the cover you'll see an aluminum disk that revolves. it has two indicator levers on it. one is for high limit one is for low limit. the white knob is for manual on if you pull it out. push it in and it's automatic on-off.
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