16/1 x 2500' - 16 AWG Underground Sprinkler Wire (Red)
16 gauge direct burial wire; single strand.
Sold in 2500 foot rolls.
Professional grade wire for a professional installation.
Red wire is used for the hot (positive) wire to each valve. One red wire per zone is run from the controller to each valve. You will end up with the same number of red wires as you have valves in your system.