We have lots of loud noise when it's raining, only when it's raining! Contacted Thor and they sent me another grill. The original grill is plastic honeycomb and the replacement they sent is wire mesh (black). I called them about installation because original is about a half inch thick and the replacement is just a thin grill, they told me to take out the old and replace it with the new grill. I'll post if it eliminates the rain noise or not, or if it's quieter than the old grill.
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