I replace my 20 years old toilet (KOHLER) with a new fill value (made
by MJSI www.gomjsi.com) and a flapper. It still leaks..at about 4
hours tank is empty looks like it is leaking into bowl (no water
around toilet area)
At this point I am not sure what could be causing it to leak? should I
try another flapper...
If the seat is brass, try smoothing it out with a Brillo pad.
Otherwise you might have to get an OEM flapper. I've had problems with
my 20+ year old Eljer toilet in the past with the flapper. Then I
ordered an OEM Eljer flapper and have no probems since. I ordered from
they have all schematics online and very helpful. You might want to
consider getting an OEM fill valve as well.
Call Kohler customer service for the right part. Top notch people to
deal with, reasonable prices, too. It also appears your new fill valve
isn't working right or it would keep the tank filled if the flapper is
leaking. Food coloring is commonly used to trace water flow in
I know many people will say this is NG,
but I have done it for many, many
years without a problem. I put a thin
layer of petroleum jelly on the rubber.
I know, petroleum and rubber don't get
along, however, as I said, the
rubber never deteriorated from this.
BTW, I think one of the problems
with leakage is due to the lower flush
toilet having less "head pressure" due
to shorter tanks. With the older
toilets, higher tanks meant more pressure
on the flap, leading to a tighter seal.
If I read your post correctly, you put one of the new flush controllers
and a new flapper in your old toilet. I'm guessing the problem is with
the new controller and thinking that maybe the so called cleaning action
is pushing the flapper to allow leakage.
The controller in an old toilet does not seem like a good idea as old
toilets were designed to use a lot of water. I remember the old days
when a lot of us were adding bricks to the tank to use less water and
results were unsatisfactory.
I'm just a regular old home owner but these are my thoughts.
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