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Solenoid



Troubleshooting a Leaking Sprinkler When System is Off


Leaking sprinklers generally do not have anything to do with the sprinkler.  The problem is from water in the pipe after the sprinkler system has been shut off or a problem with the valve.  Here are the main causes and the solutions:A. Water in t Read More...

Valve Leaks When Water is Off - Toro


Why is the valve leaking? ** Make sure the water supply is shut off to the irrigation system prior to disassembling any portion of the valve to avoid injury. If water leaks to the sprinkler heads, check the following: Dis Read More...

Valve Leaks When Water is Off - Hunter


It is possible that you have debris in the valve, which is causing it to remain open. To fix this, you’ll need to disassemble the valve, rinse all the parts with clean water, and re-assemble the valve. If you cannot locate your valve boxes or fix Read More...

Why do some valves close so slowly


Most irrigation valves are designed to close within 10 to 20 seconds of the solenoid deactivating. They close slowly to prevent water hammer. The most common reason why a valve would close slower is that there is a restriction in the valve metering port Read More...

Tips for Valve Repair


Here are some tips for valve repair: Turn the controller to "System Off" so it does not try to cycle a program. Shut off the main water supply. Opening a valve under pressure is dangerous and you could be injured. Read More...

How to Manually Turn on an Electric Valve - Hunter


Simply twist the solenoid (the black cylinder with 2 wires coming from it) on the valve counter-clockwise 1/4 to 1/2 a turn. To shut off the valve, twist the solenoid clockwise until it is snug on the valve.Provided by Hunter Industries Read More...

How to Tell If a Solenoid Is Bad


Here are a few things to check in determining if your solenoid is bad. Do you see any visual hints that the solenoid has failed, such as rust? Are the wire connections in waterproof connecti Read More...

Why is the valve vibrating or buzzing


First you need to determine whether it is the valve or the controller causing it. To do this take one valve that isn't working and connect it to a station on the timer that is working. If it works then we know it is a problem with the controller. If it Read More...

Why won't the valve open


There are many things that can cause a valve to not allow water to go through it:REMEMBER TO TURN OFF WATER MAIN BEFORE TAKING APART VALVES! Water Main is turned off. Test: Manually turn on another valve that is nearby.  If no wa Read More...

Why does more than one valve open at a time


There are four situations that will cause multiple valves to be open at a time.  1. Multiple valves connected on one zone of the controller.  Most commercial grade controllers can handle 2-3 valves connected to the same zone.  As long as the Read More...

Troubleshooting a Leaking Valve or Sprinkler - Orbit


This is generally because of a ruptured or torn diaphragm in one or more of the control valves. Be sure that the valve is not installed backwards. Make sure the solenoid plunger is not stuck or missing. Remove the solenoid and check for debris or a miss Read More...

Troubleshooting a Leaking Valve or Sprinkler - Hunter


There are two reasons why a pop-up spray will leak water when the water is off. The most common reason is called “Low Head Drainage” this is when the lowest head on the zone drains the water from the lateral piping out of the sprinkler. If i Read More...


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