| Line 6: |
Line 6: |
| | *one or more orifices, | | *one or more orifices, |
| | *weirs, or | | *weirs, or |
| − | *proprietary low flow devices. | + | *proprietary low flow devices. |
| | + | Where either device may be installed, a weir is recommended over an orifice, as they are less susceptible to blockage under freezing conditions. |
| | | | |
| | ==Weirs== | | ==Weirs== |