DIY Network

How to Install a Toilet and Add a Shutoff Valve

Host Amy Matthews demonstrates how to install a contemporary toilet and add a shutoff valve to the water supply line.

More in Plumbing

  • Time

    Under Half Day

  • Price Range

    $250 - $500

  • Difficulty



Step 1: Place the Wax Ring

Remove the center of the toilet flange with a hammer and pliers.

Place two closet bolts to hold the toilet in place. Add washers on top of the bolts, then place the wax ring on the toilet flange.

place wax ring on toilet flange

Step 2: Attach the Shutoff Valve

Use a tubing cutter to cut the copper water supply line to the proper height (Image 1).

Cover the supply line with an escutcheon and attach the shutoff valve. Use two wrenches to tighten the valve (Image 2).

Step 3: Attach the Supply Line and Position the Toilet

Attach one end of the water supply line to the toilet (Image 1). Set toilet in place.

Cut closet bolts to the proper height and cover with finish caps (Image 2).

DIY Experts

Sweat Equity

Renovate your home with host Amy Matthews.

Tune in:


10 | 9C

Full Schedule




  • Bathtub (Forma/model: RE 527) from Jason International
    Water closet (model: 6006.130.01); Martinique countertop lavatories (model: 1025.000.01) and Barrymore tilting mirrors (model: 2077.250.96) from St. Thomas Creations
    Sonora paper holder (model: D442231); Sonora robe hooks (model: D442171) and Sonora towel bar (model: D442421) from Danze Incorporated