Watts LF3001-GB 2 - Part of the LF3001A Series American Wick Drain Vandal proof screws are standard

Vandal proof screws are standard

This 3/4 inch two-way universal flow check valve is for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running

Suspended solids are allowed to settle out of the slowed flow and are captured before entering the inlet

Or a mailbox

Both Ultra-Durable Chicken Wire options have 3/4" openings

Watts LF3001-GB 2 - Part of the LF3001A Series American Wick Drain Vandal proof screws are standardThis 2 inch lead free dielectric union is used in commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. It is installed between pipes made from dissimilar metals and is used on applications such as hot water storage tanks, water and air conditioners, processing tanks, steam, gas, and water piping. It consists of a female iron pipe thread to solder connections,