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The last 3 posts

Saturday, June 29th 2013, 9:51pm

by mrfixit

Try closing all but one of the valves with the flow controls. Then turn the open valve on with the controller. Is it working?
Now with that valve still operating open each flow control one at a time. Wait for each valve to shut off before opening the next flow control.
Eventually all the valves but the operating one will shut off if everything else is operating normally.
Don't leave the flow controls fully opened. Turn them down a bit.

Saturday, June 29th 2013, 9:50pm

by Wet_Boots

throttle down the flow controls on your zone valves - if they don't have flow controls, you should install new zone valves that do have flow controls

Saturday, June 29th 2013, 8:20pm

by jbson47 (Guest)

Low pressure and water comes from all zones

I am in Michigan and my sprinkler systems runs off of a well with a submersible pump. Last summer my sprinklers started to lose pressure. After a few weeks they wouldn't even pop up any more. It was extremely hot all summer and we had no rain. My first assumption was the well had dried up. This spring when I tried to fire it up, the pressure was still low, and when I turned on a zone, water also came out of the heads in other zones.

After receiving much advice, the first thing we tried was removing the pump and soaking in vinegar. Didn't help.

With some help we found the timer was shot and was telling the pump to run ALL of the time unless the breaker is off.
Replaced the timer and now the pump runs appropriately, but all the zones still run at once with low pressure.

My thought is that the pump has been running nonstop since last summer, including all winter. Water froze and messed up valves, causing the current situation. Is this reasonable or is there a more likely problem? What should my next step be?