This item is currently out of stock.
Mud daubers and other insects love building nests inside the exterior vent openings on RV water heaters, and a blocked vent can interfere with proper combustion and venting. This screen covers the opening so the pests can't get in and build up there in the first place.
It's a lightweight, low-profile add-on rather than a replacement part, meant to sit over your existing vent as ongoing protection rather than fix a problem that's already occurred.
Check your water heater vent's opening size before ordering to make sure the screen covers it fully.
