Just a few things to consider when you are comparing our price with other companies: We use PVC pipe that is at least 160 PSI. We use schedule 40 PVC fittings. All sprinkler heads are installed on swing joints to help reduce accidental pipe damage. All control wire from the controller to the valves is single strand #14 UF direct burial, single strand wire. Waterproof connectors are used on all connections. […]