Champion Evaporative Cooler Control Knob
thingiverse
I Designed This Custom Knob For Our Champion/Essick Air Evaporative/Swamp Cooler. The Original Knob Had Become Stripped And Would Freely Rotate Without Adjusting The Actual Setting. Replacement Knobs Cost $5 Online, Plus 5-8$ Shipping, So I Decided To Simply Design One, And It Turns Out Well. I Made Mine With A Tight Fit To Eliminate Any Play, If Yours Doesn't Probably Increase Or Decrease By 1-2%. Just In Time For Summer Arrived. I Added An Indentation For The Setting Indicator And Applied A Drop Of Nail Polish (Or Paint, I Just Didn't Have Any On Hand, So I Borrowed My Sister's Nail Polish) To Add Color, Making It Easily Visible. I've Been Using This Custom Knob For About A Week Now, With No Problems So Far.
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