With the blizzard ac, rain water can get in thru the two piece cover. Extra holes in the blizzard pan itself need to be properly plugged. Drain holes in the pan of any model ac can clog up and trap water. Water can seep in thru the ac roof gasket if crimped, damaged, or not tightened down properly.
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Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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