I replaced the toilet fill valve and am unhappy with the way it sounds when refilling. Instead of a steady filling sound, I get a surge then stop, surge then stop, surge then stop - until it finally fills up the tank.

What the heck? It's not rocket science to replace one. Did I do something wrong? This is the kind that you twist/unlock the top and raise the top to the proper fill level, then twist/lock it the opposite way. Do I maybe have it in a half lock position or what?

Driving me crazy.

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Coincidentally, I just worked on a Korky 528 fill valve last evening. Watch both the troubleshooting and service videos in the attached. They're short and impressively well done.

Stupid simple to service. Mine had some green fibrous junk in the fill tube which for some reason was causing it to overfill.

Toilet Troubleshooting Guide | www.korky.com

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Disconnect the w-fi. These new fangled things are programmed to emulate the biologics present and it was queuing off how you p

Today I noticed that I have the same surging effect in the basement toilet - which has the same kind of new fill valve. I do not have this in the other house toilets which have 80 year old original copper fill valves.

At first today I thought maybe I have a surge problem in the entire water system but upon thinking about the other house toilets, again I believe it is the new plastic fill valves.

Thx for the youtube videos on the fill valve. I watched several but none addressed this problem.

Ideas?

Try closing the supply valve under/behind the john, flush, slowly open valve till it starts 'surging', close valve till it stops. This would work unless you are so full of it, you have to flush halfway through!
(just takes a bit longer for tank to fill)

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C - OK; thx.

FWIW, I'm not keen on that brand. I've been using Fluidmasters for years with no trouble.

Sometimes, undong and redoing plumging lines will break loose some debris and it will get stuck in the mechanism. I know on the Fluidmaster you can pop off the top bit, the part that contains the lever and clean out debris that collects on the membrane.

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1986 300SDL, 362K
1984 300D, 138K