Replace 4 valves and remove old PVC manifold and rebuild in poly. Should be easy.” Nah dude it was a nightmare. All new white PVC is repairs/modifications. Rate my work I guess. :
HDPE and PVC Pipes For Irrigation What Are The Differences?
PE, PVC Pipe Crops, Vegetables Irrigation Drip System Hose Reel Dripline Agriculture - China Agriculture, Irrigation System | Made-in-China.com