2 Va. Admin. Code § 5-585-2400 – Tank vent, protected.

1. 16 mesh to one-inch (16 mesh to 25.4-mm) screen or equivalent when the vent is in a protected area; or
2. A protective filter when the vent is in an area that is not protected from windblown dirt and debris.

If provided, a water tank vent shall terminate in a downward direction and shall be covered with:

§ 3.2-5121 of the Code of Virginia.

Derived from Virginia Register Volume 24, Issue 2, eff. October 16, 2007.