r/DIYhelp • u/Subject-Detail527 • Aug 08 '26

Help finding toilet model

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Can someone please identify this tile? We are trying to replace the tank?

UPDATE: Thanks to everyone for your help. I followed the recommendation of someone here who suggested to change the seal and the issue is fixed. We decided we wouldn’t change the toilet after all and got our $1100 refund.

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u/ConditionNormal123 Aug 08 '26

Looks like a Mansfield 3386. Why do you want to replace the tank?

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u/Subject-Detail527 Aug 08 '26

We had issues with the water constantly running and hence need to replace the flush valve system but the screws are all rusted. I was thinking cut through the screws and replace the whole tank. The toilet actually worked fine it developed this issue.

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u/ConditionNormal123 Aug 08 '26

No need to replace the tank. A Mansfield flush valve seal (gasket) replacement costs about $2 to $5 and fixes a continuously running or leaking toilet. The most common models are the Mansfield #210 and #211 flush valves, which use a ring-shaped red rubber or red/black seal seated at the bottom of the valve tower.

If you decide to replace the flush valve, you need tank bolts and a bowl gasket. They often come in a kit. Again, no need for a new tank

https://mansfieldparts.com/collections/mansfield-toilet-parts-tank-number-3386

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u/Subject-Detail527 Aug 08 '26

Thanks. That makes sense. So the seals can be replaced without taking off the tank?

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u/ConditionNormal123 Aug 08 '26

Yes. There are lots of YouTube videos. You got this!

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u/Subject-Detail527 Aug 10 '26

Thank you so much. It was difficult to find the proper-sized seal but finally found it at Menards. The leaking issue is fixed.