Use a “universal” flush valve (or different brand) in the Kohler toilet

toilet

My toilet is leaking. I hear the leaking noise and sometimes I can even hear the filling valve being triggered when the level of water in the cistern becomes too low.

After investigating a little bit and cleaning the cistern and flapper valve I decided that probably I better replace the whole flush valve than just the flapper valve.

My toilet is a Kohler, and maybe an old model. I checked online to buy another flush valve, but what I see on the Internet does not like the flush valve I have right now. When I asked in the hardware store about buying new pieces to replace the old ones I was told that for this model (Kohler) I better use the house parts. Still, I can find online other products that say "fits Kohler".

Should I replace my toilet parts with the more expensive Kohler ones or can I try other brands?

Best Answer

It depends on the configuration of the flush valve. If it's the type with a 3-4 inch plastic tube that when lifted allows water to flush than you need to use that specific valve type from Kohler. If not and the valve is mounted through a standard (3/4 inch +/-) opening to the supply line you should be able to swap in any valve with minor adjustments to the lift handle and flapper. Post a photo of the Kohler valve.

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