Are Toilet Flanges Standard Size

This award winning innovative product fits any drain size and flange depth and takes all the guesswork out of toilet installation guaranteeing a perfect seal 3x stronger than a standard wax ring the first time every time.

Are toilet flanges standard size.

In addition a 4 x 3 toilet flange is the size of most closet bend pipes. A 4 x 3 toilet flange has a four inch topside and a three inch bottom diameter. That is so the flange mounts to standard 3 inch drain pipe schedule 40 used in almost every residential home today. Some flanges just have one diameter typically 3 inches.

Instead use a standard inch wax ring. The ring has slots for the bolts that hold the toilet down. If you are not certain about your toilet pipe size this flange would be appropriate to use. The top section of the flange that connects to your toilet has a 4 inch diameter while the outlet below this has a 3 inch diameter.

This is the size of the flange opening and outlet. The bottom of this size flange will fit standard sized drain pipes. One common standard toilet flange size is 4x3 and this is the measurement you will find beside most flanges available at your hardware or plumbing stores. The 4x3 size refers to the two diameters in the flange pipe.

The first thing you ll want to do when replacing or readjusting the height of your flange to shut your water off and remove the toilet from the floor. A few other flange sizes exist as well. These rings will prevent the toilet from properly recessing into the flange.