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Starting Member


Tuesday, April 28th 2015, 4:30pm

Low pressure

I had to have my water main line replaced because of a leak on the way into the house. After it was replaced my sprinkler system won't run the large rotor sprinklers. It runs the drip lines and the little popup ones fine. What could have happened. They have checked for leaks, cleaned the valves and now they just replaced one zone with 6 sprinklers with lower flow ones. This worked on that zone, but the zone with 8 sprinklers still doesn't have enough pressure. Any suggestions?


Supreme Member

Posts: 5,172

Location: Metro NYC


Tuesday, April 28th 2015, 6:48pm

Check to see that every valve in the supply chain is fully open.

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