Are Toilet Flanges Standard Size

If you are not certain about your toilet pipe size this flange would be appropriate to use.

Are toilet flanges standard size.

The bottom of this size flange will fit standard sized drain pipes. 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. In addition a 4 x 3 toilet flange is the size of most closet bend pipes. This is the size of the flange opening and outlet.

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. The flange pipe can have a diameter of either 3 or 4 inches depending on the size of the waste line but a 4 inch hole works in both. 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. Some flanges just have one diameter typically 3 inches.

A 4 x 3 toilet flange has a four inch topside and a three inch bottom diameter. These rings will prevent the toilet from properly recessing into the flange. Instead use a standard inch wax ring. Once removed examine where your flange is resting.

The ring has slots for the bolts that hold the toilet down. A few other flange sizes exist as well. The 4x3 size refers to the two diameters in the flange pipe.