r/Irrigation • u/maxwellt1996 • 1d ago

Seeking Pro Advice Solenoid and diaphragm

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do you know which replacements I need to get for this valve? the ones I saw online and in person dont have the same hole pattern

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u/ati303 1d ago

That would be a coin flip

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u/Tuggitz 1d ago

That’s a toro 252

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u/lennym73 1d ago

What is it doing that it needs attention?

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u/AwkwardFactor84 13h ago

Its a toro 254. I advise getting the model with flow control to rebuild. The parts are interchangeable. Be SUPER careful with the solenoid. One grain of sand on the plunger will make the valve stick open. The young techs at work are terrified of these because of the solenoids. Im not joking, not A SINGLE peice of dirt or sand can get it there or you're gonna have problems.

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u/Packman714 1d ago

How about no. If that zone valve is hanging open there’s a simple fix turn the water off grab an irrigation flag and scratch it on the concrete or anything like road material. Put a slight beveled edge on it and remove the center pin. Slowly guide the flag down and catch the ring of the diaphragm and push it down. It’s an old school trick that works 60/40 to get you through the end of season. If the zone valve isn’t opening electronically then just try to find a new solenoid. Also if you try to find the same valve and just re gut it leaving the zone valve body in place shut the water off and turn on the controller as to let the water drain out your lowest zone. Water flows down hill because of gravity. Next step is buy the whole dam valve it’s cheaper than buying just the solenoid. Don’t ask why it’s just what happens. Once you use a flat head screw driver to crack the solenoid screws easily then replace the solenoid. Also do not use the new screws from the new valve unless you strip the old screws. It’ll never tighten down the same. I hope this helps and this goes for Hunter PGV valves also.

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u/Packman714 1d ago

Also I save a few older style valves upon a redo of an old system with valves I know that still seal and work. You pay for shipping and send a case of locally owned craft I might be able to help. Or call an irrigation company and see if they can help.