Thread: How long should it take to get warm air?
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  #8  
Old 11-10-2005, 05:31 PM
bennyj bennyj is offline
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Join Date: Oct 2005
Posts: 4
there mite be a monovalve.
i don't know your 81 300 SD, but an 83 300D does indeed have a monovalve. At least part of it is a brownish type of color, the top plastic part, as i remember.
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