Remove the old supply line and discard.
Toilet flange is broken concrete floor.
The toilet and replacement flange and drain pipe all need to be kept in position so the seal is not broken.
How to fix a broken toilet flange in concrete 1.
Remove the old supply line the next step is to remove the toilet floor bolts.
3 sep 20 2009 it s your choice whether to screw the flange to the concrete floor and attach the toilet to the flange or to screw the toilet directly to the floor possibly going through holes lined up in the flange.
Prepaturn off the water supply at the shut off valve under the toilet tank.
Make sure you do this evenly from side.
How to repair the toilet flange on a concrete floor step 1.
Remove the toilet floor bolts evenly from side to side.
Flush the toilet and hold the handle.