Remove the old supply line and discard.
Toilet flange is broken concrete floor.
I had to complete a couple of toilet flange installs on a concrete floor.
Remove the old supply line the next step is to remove the toilet floor bolts.
Turn off the water supply the first step is obviously to turn off the water supply.
How to fix a broken toilet flange in concrete 1.
Flush the toilet and hold the handle.
Make sure you do this evenly from side.
Remove the toilet floor bolts evenly from side to side.
Prepaturn off the water supply at the shut off valve under the toilet tank.
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.