chrispurcell t1_j0oyduq wrote
It appears full, so if the water is running into the center overflow pipe, you need to adjust the float arm to trigger earlier. Most have a screw for adjustment but I can't see well enough from the picture to make further recommendation.
Sluisifer t1_j0qe7o3 wrote
This won't work if the fill valve has failed, and it's pretty common for that to happen on these. Sometimes it just needs to be cleaned out real quick, but often it just makes more sense to replace it.
[deleted] OP t1_j0oyvym wrote
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OTee_D t1_j0p2d59 wrote
Without being there : DOWN.
The black box is likely a buoancy device/swimmer.
Water flows in, box get's "pressed" upwards. When the water raises to a certain level the box is so far up that it closes the valve. Usually over some sort of lever mechanism.
Yours isn't closing the valve completely, so water keeps flowing in and then leaves through the overflow.
Possible causes
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The box lost it's buoancy, if it is a container, it has a hole or something like that. UNLIKELY, because it more or less wouldn't work at all.
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The box lost the right position. These things can come lose and then aren't closing the valve early enough. This can be adjusted by moving it in reference to the lever system (your up/down). By moving it down, it will "swim" earlier and close the valve earlier. LIKELY cause.
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Defect O ring, the inflow valve of course contains sealants, O rings. Maybe the lever pushes it shut like it should, but still a tiny amount of water comes in. POSSIBLE you would need to change the seals or even the inner mechanism of the water box.
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The mechanism got scaled, over time a crust of minerals accumulated and prevents the valve from closing. Give a good amount of citric or vinegar acid in the water tank and let it fill (Or special anti scaling stuff) POSSIBLE
Easiest way to figure out what might be the issue:
Empty the water tank(flush) and when it keeps filling see if raising to he black box /swimmer by hand closes the valve at some point. Then you verified that all seals work and scaling is not an issue. If it doesn't close no matter if the swimmer goes up then the issue is with the valve.
chrispurcell t1_j0p01q6 wrote
Basically it says there is a clip to release so you can adjust the float.
[deleted] OP t1_j0p0b7u wrote
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gladmonkey t1_j0pgp7r wrote
Just replace the fill valve. It’s super easy and some don’t even require tools. Takes like 10 minutes.
I’ve had this happen to a couple toilets and it sounds to me like your fill valve is failing.
shoziku t1_j0prx3i wrote
Reach in there and lift the float manually. If the water does not shut off then the fill valve is bad. If it does shut off when you lift it then it's just a matter of adjusting it.
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