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If you have a leak between the tank to bowl on your toilet, you may need to replace the flush valve, or the gasket on the flush valve. I show how to replace the flush valve.
You will need a large adjustable pliers or a lock nut wrench to remove the nut from under the flush valve. The lock nut wrench is available at your local hardware store. You can also use it for slip nuts on other plumbing projects.
You will need to remove the 2 or 3 nuts that holds the toilet tank to the bowl. If you have an older toilet, this is a good time to replace these bolts and washers.
There are 2 types of flush valves. The most common is a 2″ valve. A new larger style was started around 2002. It is 3- 1/4″ wide, measured from the inside diameter of the flush valve. This larger flush valve gives a better flush with less clogging. Look at your old model to see what you should pick up at the hardware store.
The flush valve that I show is a 2″ valve with a larger flapper. It does a better job of flushing if you have a small tank or low volume toilet.
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This is a video that, I’ll be honest, I was putting together 99% because people kept requesting it, but it turned out to be a lot of fun, and I learned a lot… I really was quite surprised by the results. And no, I dont recommend just “winging it” on a cast iron repair, this video was simply an experiment…
If you’re interested in learning to weld cast iron, click here: