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Old 05-30-2001, 04:29 PM
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yal yal is offline
Join Date: Oct 1999
Location: New York, Long Island
Posts: 2,704
I have no idea what the O stands for the D is for 'tapered' and the C is for 'copper'. 7 is the heat range, you could go to 6 but I don't think this will help your problem. Maybe one of the techs can chime in here.
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