While I don't normally run my genset at night, I used to experience raw water clogging until I replaced my thru hull and strainer with oversized units. I think I went from 3/4 inch to 1 1/4.
It has not clogged since.
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Jay Leonard
Ex boats: 1983 40 Albin trunk cabin, 1978 Mainship 34 Model 1
New Port Richey, Fl
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