About the Post

Jerry Hardy

Author Information

I was a Building Contractor along with owning rental properties where I did most of the repairs myself. Its my pleasure to pass on to you some of the methods I had used in the past. Hopefully, this will save you the expense of hiring a professional to do the work.

How To Replace A Toilet

Materials Needed:

  • New toilet, wax ring and silicone sealant
  • Adjustable wrench
  • Sponge
  • Bucket
  • Putty knife
  • Old towel or rag
  • Tape measure
  • Rubber gloves
  • Hack saw
  • Level
  • Utility knife
  • Disposable plastic cup
  • Safety glasses10668228_s-OUT HOUSE9225084_s-RESTROOM SIGN


Knowledge on how to replace a toilet can be gained simply by following the steps below.



1. Measure

Measure from the base of the toilet to the back wall, not to the trim.  Give the measurement to the supplier to be assured that the new toilet will fit.

2. Unpack new toilet

After unpacking, check to make sure there are no missing parts.

Removing old toilet


1. Remove tank lid
2.Turn off water

Turn off the water at the valve on the fill supply line.

3. Drain water from tank

Hold down the flush lever until most of the water drains out.  Remove any remaining water with a sponge.

4. Remove water from bowl

Using a disposal cup, remove the water in the bowl wearing rubber gloves.  Remove remaining water with a sponge.

5. Disconnect water supply line

Remove the supply line attached to the tank at the tank end of the line.

6. Remove flange bolt nuts

After removing the plastic caps, using an adjustable or end wrench, remove the flange bolt nuts and washers.  If the nuts  cannot be removed due to corrosion, cut the bolts just below the nut with a hack saw.

7. Remove toilet

Rock the toilet while lifting it off the flange and place it on the floor over a towel.

 8. Remove wax ring from flange

Using a putty knife, remove the wax ring from the flange.  Cover the drain opening with a rag to prevent sewer gases from escaping.

Installing new toilet


 1. Install bowl41b2npIKJQL._AA200_

Replace the flange bolts with new ones.  Remove the rag from the drain and place the new wax ring on the drain flange not on the toilet.  Lift toilet and place it over the flange while guiding the bowl over the bolts. While pushing down on the toilet and jiggling it gently, make sure it is tight against the floor.

 2. Install mounting nuts and washers

After attaching the nuts and washers to the flange bolts, alternately tighten the nuts so there is equal pressure on both sides preventing cracking of the base.

 3. Cut flange boltstoilet bowl bolts 2

Using a hack saw, cut the bolts flush with the top of the nuts.

 4.  Install nut caps
 5. Install tank

Attach the rubber seal provided to the bottom of the tank.  Install the two tank holding screws with the attaching seals and nuts if they are not factory installed. Place the tank on the bowl and fasten with the nuts and washers provided.

 6. Install seat
 7. Reconnect water line to tank
 8. Turn on water

Water should fill the tank up to one half of an inch below the overflow tube.

 9. Check for leaks
10. Seal base of bowl

Apply silicone sealer around the base of the bowl.

11. Place lid on tank

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How To Replace A Toilet

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