How do you shorten a toilet overflow tube?

Cut the Overflow Tube When installing a new fill valve in an older tank, you need to cut the tube to the proper length with a hacksaw. The top of the tube should rise no higher than an inch below the flush lever, because the lever isn’t sealed, and water can flow past it.

How tall should the overflow tube be?

Fluidmaster instructs setting the height of the overflow pipe at least 1 inch below the opening of the tank lever. In most applications it will be necessary to cut the overflow pipe to achieve a proper fit.

Where is the overflow tube in a toilet?

An overflow tube is a vertical tube inside the tank of a toilet. It’s purpose is to move water into the bowl in the case where the ballcock malfunctions to prevents water in the tank from overflowing.

How do you replace an overflow tube in a toilet?

To replace the overflow tube on a toilet, turn off the water supply, flush the toilet to drain most of the water, remove the toilet from the floor, and switch out the broken part for a replacement piece. Fix an overflow tube for a properly functioning toilet with tips from a master plumber in this free video on bathroom maintenance.

Can You trim an inch off the overflow tube?

Trimming an inch off the overflow tube, will lower the water level by an inch, and thus an inch below the stain level. With the new valve and the old overflow tube, it is not possible to have both the old water level and a 1″ CL clearance. – Arlo Sep 27 ’16 at 7:10

What kind of valve does a low flow toilet use?

It is old and is not a low-flow toilet. Lifting the float by hand does not stop water flowing out the bowl-refill tube attached to the overflow pipe. So I bought a new valve. New valve is the Fluidmaster 400A.

What is the old fill valve on a Kohler toilet?

[EDIT 2016-09-28: It is a Kohler toilet, and the old fill valve is Kohler 81093-AA. I suspect it is the original valve. I’ve been in correspondence with Kohler.

Is it OK to cut the overflow pipe in a toilet?

Not only is it ok, but Fluidmaster gives instructions on where and when to cut the overflow tube, as the follow photo shows. The most important part inside the tank is the flush valves “overflow pipe.” The overflow pipe is the safety net for your toilet. When properly set it will prevent water from overflowing the tank and flooding into the home.

Is the overflow tube higher than the critical level?

But the fill valve seems a bit short, and the overflow tube is higher than allowed. Here’s a picture: It’s kind of hard to see because of the angle, but hopefully it’s visible how the overflow tube is almost as high as the new fill valve, and certainly higher than the fill valve’s “critical level” indicator.